Home / 113,134.49-156,126.62-62,148.26

Finding the Fourth Proportional to 113,134.49, 156,126.62 and 62,148.26

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Solution

The fourth proportional to 113,134.49, 156,126.62 and 62,148.26 is: 85,765.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,134.49 : 156,126.62 = 62,148.26 : x
  2. Step 2: Convert to fraction form
    113,134.49/156,126.62 = 62,148.26/x
  3. Step 3: Cross multiply
    113,134.49x = 156,126.62 × 62,148.26
  4. Step 4: Simplify right side
    113,134.49x = 9,702,996,992.05
  5. Step 5: Solve for x
    x = 9,702,996,992.05/113,134.49
  6. Step 6: Final answer
    x = 85,765.15

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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.