Home / 171,909.20-257,757.72-59,563.28

Finding the Fourth Proportional to 171,909.20, 257,757.72 and 59,563.28

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Solution

The fourth proportional to 171,909.20, 257,757.72 and 59,563.28 is: 89,308.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,909.20 : 257,757.72 = 59,563.28 : x
  2. Step 2: Convert to fraction form
    171,909.20/257,757.72 = 59,563.28/x
  3. Step 3: Cross multiply
    171,909.20x = 257,757.72 × 59,563.28
  4. Step 4: Simplify right side
    171,909.20x = 15,352,895,248.52
  5. Step 5: Solve for x
    x = 15,352,895,248.52/171,909.20
  6. Step 6: Final answer
    x = 89,308.17

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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.