Home / 257,227.92-354,989.28-144,049.68

Finding the Fourth Proportional to 257,227.92, 354,989.28 and 144,049.68

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Solution

The fourth proportional to 257,227.92, 354,989.28 and 144,049.68 is: 198,796.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,227.92 : 354,989.28 = 144,049.68 : x
  2. Step 2: Convert to fraction form
    257,227.92/354,989.28 = 144,049.68/x
  3. Step 3: Cross multiply
    257,227.92x = 354,989.28 × 144,049.68
  4. Step 4: Simplify right side
    257,227.92x = 51,136,092,187.43
  5. Step 5: Solve for x
    x = 51,136,092,187.43/257,227.92
  6. Step 6: Final answer
    x = 198,796.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.