Home / 113,487.50-156,617.62-63,186.50

Finding the Fourth Proportional to 113,487.50, 156,617.62 and 63,186.50

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Solution

The fourth proportional to 113,487.50, 156,617.62 and 63,186.50 is: 87,200.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,487.50 : 156,617.62 = 63,186.50 : x
  2. Step 2: Convert to fraction form
    113,487.50/156,617.62 = 63,186.50/x
  3. Step 3: Cross multiply
    113,487.50x = 156,617.62 × 63,186.50
  4. Step 4: Simplify right side
    113,487.50x = 9,896,119,246.13
  5. Step 5: Solve for x
    x = 9,896,119,246.13/113,487.50
  6. Step 6: Final answer
    x = 87,200.08

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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.