Home / 146,786.07-220,109.64-56,870.88

Finding the Fourth Proportional to 146,786.07, 220,109.64 and 56,870.88

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Solution

The fourth proportional to 146,786.07, 220,109.64 and 56,870.88 is: 85,279.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,786.07 : 220,109.64 = 56,870.88 : x
  2. Step 2: Convert to fraction form
    146,786.07/220,109.64 = 56,870.88/x
  3. Step 3: Cross multiply
    146,786.07x = 220,109.64 × 56,870.88
  4. Step 4: Simplify right side
    146,786.07x = 12,517,828,923.28
  5. Step 5: Solve for x
    x = 12,517,828,923.28/146,786.07
  6. Step 6: Final answer
    x = 85,279.41

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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.