Home / 146,928.51-220,392.72-67,999.68

Finding the Fourth Proportional to 146,928.51, 220,392.72 and 67,999.68

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Solution

The fourth proportional to 146,928.51, 220,392.72 and 67,999.68 is: 101,999.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,928.51 : 220,392.72 = 67,999.68 : x
  2. Step 2: Convert to fraction form
    146,928.51/220,392.72 = 67,999.68/x
  3. Step 3: Cross multiply
    146,928.51x = 220,392.72 × 67,999.68
  4. Step 4: Simplify right side
    146,928.51x = 14,986,634,434.33
  5. Step 5: Solve for x
    x = 14,986,634,434.33/146,928.51
  6. Step 6: Final answer
    x = 101,999.50

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.