Home / 220,139.17-303,793.23-124,664.47

Finding the Fourth Proportional to 220,139.17, 303,793.23 and 124,664.47

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Solution

The fourth proportional to 220,139.17, 303,793.23 and 124,664.47 is: 172,037.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,139.17 : 303,793.23 = 124,664.47 : x
  2. Step 2: Convert to fraction form
    220,139.17/303,793.23 = 124,664.47/x
  3. Step 3: Cross multiply
    220,139.17x = 303,793.23 × 124,664.47
  4. Step 4: Simplify right side
    220,139.17x = 37,872,221,715.55
  5. Step 5: Solve for x
    x = 37,872,221,715.55/220,139.17
  6. Step 6: Final answer
    x = 172,037.63

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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.