Home / 127,916.16-176,521.92-71,337.60

Finding the Fourth Proportional to 127,916.16, 176,521.92 and 71,337.60

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Solution

The fourth proportional to 127,916.16, 176,521.92 and 71,337.60 is: 98,444.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,916.16 : 176,521.92 = 71,337.60 : x
  2. Step 2: Convert to fraction form
    127,916.16/176,521.92 = 71,337.60/x
  3. Step 3: Cross multiply
    127,916.16x = 176,521.92 × 71,337.60
  4. Step 4: Simplify right side
    127,916.16x = 12,592,650,120.19
  5. Step 5: Solve for x
    x = 12,592,650,120.19/127,916.16
  6. Step 6: Final answer
    x = 98,444.56

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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.