Home / 113,522.64-156,717.36-71,104.56

Finding the Fourth Proportional to 113,522.64, 156,717.36 and 71,104.56

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Solution

The fourth proportional to 113,522.64, 156,717.36 and 71,104.56 is: 98,159.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,522.64 : 156,717.36 = 71,104.56 : x
  2. Step 2: Convert to fraction form
    113,522.64/156,717.36 = 71,104.56/x
  3. Step 3: Cross multiply
    113,522.64x = 156,717.36 × 71,104.56
  4. Step 4: Simplify right side
    113,522.64x = 11,143,318,927.16
  5. Step 5: Solve for x
    x = 11,143,318,927.16/113,522.64
  6. Step 6: Final answer
    x = 98,159.44

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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.