Home / 146,016.09-218,991.11-67,054.41

Finding the Fourth Proportional to 146,016.09, 218,991.11 and 67,054.41

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Solution

The fourth proportional to 146,016.09, 218,991.11 and 67,054.41 is: 100,566.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,016.09 : 218,991.11 = 67,054.41 : x
  2. Step 2: Convert to fraction form
    146,016.09/218,991.11 = 67,054.41/x
  3. Step 3: Cross multiply
    146,016.09x = 218,991.11 × 67,054.41
  4. Step 4: Simplify right side
    146,016.09x = 14,684,319,341.02
  5. Step 5: Solve for x
    x = 14,684,319,341.02/146,016.09
  6. Step 6: Final answer
    x = 100,566.45

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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.