Home / 147,231.26-220,688.13-72,264.14

Finding the Fourth Proportional to 147,231.26, 220,688.13 and 72,264.14

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Solution

The fourth proportional to 147,231.26, 220,688.13 and 72,264.14 is: 108,318.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,231.26 : 220,688.13 = 72,264.14 : x
  2. Step 2: Convert to fraction form
    147,231.26/220,688.13 = 72,264.14/x
  3. Step 3: Cross multiply
    147,231.26x = 220,688.13 × 72,264.14
  4. Step 4: Simplify right side
    147,231.26x = 15,947,837,922.66
  5. Step 5: Solve for x
    x = 15,947,837,922.66/147,231.26
  6. Step 6: Final answer
    x = 108,318.29

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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.