Home / 127,605.16-176,143.17-95,865.72

Finding the Fourth Proportional to 127,605.16, 176,143.17 and 95,865.72

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Solution

The fourth proportional to 127,605.16, 176,143.17 and 95,865.72 is: 132,330.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,605.16 : 176,143.17 = 95,865.72 : x
  2. Step 2: Convert to fraction form
    127,605.16/176,143.17 = 95,865.72/x
  3. Step 3: Cross multiply
    127,605.16x = 176,143.17 × 95,865.72
  4. Step 4: Simplify right side
    127,605.16x = 16,886,091,815.13
  5. Step 5: Solve for x
    x = 16,886,091,815.13/127,605.16
  6. Step 6: Final answer
    x = 132,330.79

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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.