Home / 127,951.34-176,573.08-71,366.36

Finding the Fourth Proportional to 127,951.34, 176,573.08 and 71,366.36

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Solution

The fourth proportional to 127,951.34, 176,573.08 and 71,366.36 is: 98,485.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,951.34 : 176,573.08 = 71,366.36 : x
  2. Step 2: Convert to fraction form
    127,951.34/176,573.08 = 71,366.36/x
  3. Step 3: Cross multiply
    127,951.34x = 176,573.08 × 71,366.36
  4. Step 4: Simplify right side
    127,951.34x = 12,601,376,932.31
  5. Step 5: Solve for x
    x = 12,601,376,932.31/127,951.34
  6. Step 6: Final answer
    x = 98,485.70

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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.