Home / 126,200.12-173,801.84-123,444.52

Finding the Fourth Proportional to 126,200.12, 173,801.84 and 123,444.52

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Solution

The fourth proportional to 126,200.12, 173,801.84 and 123,444.52 is: 170,006.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,200.12 : 173,801.84 = 123,444.52 : x
  2. Step 2: Convert to fraction form
    126,200.12/173,801.84 = 123,444.52/x
  3. Step 3: Cross multiply
    126,200.12x = 173,801.84 × 123,444.52
  4. Step 4: Simplify right side
    126,200.12x = 21,454,884,713.92
  5. Step 5: Solve for x
    x = 21,454,884,713.92/126,200.12
  6. Step 6: Final answer
    x = 170,006.85

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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.