Home / 208,087.24-287,159.16-112,593.12

Finding the Fourth Proportional to 208,087.24, 287,159.16 and 112,593.12

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Solution

The fourth proportional to 208,087.24, 287,159.16 and 112,593.12 is: 155,377.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,087.24 : 287,159.16 = 112,593.12 : x
  2. Step 2: Convert to fraction form
    208,087.24/287,159.16 = 112,593.12/x
  3. Step 3: Cross multiply
    208,087.24x = 287,159.16 × 112,593.12
  4. Step 4: Simplify right side
    208,087.24x = 32,332,145,760.98
  5. Step 5: Solve for x
    x = 32,332,145,760.98/208,087.24
  6. Step 6: Final answer
    x = 155,377.84

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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.