Home / 127,799.30-176,363.76-74,116.16

Finding the Fourth Proportional to 127,799.30, 176,363.76 and 74,116.16

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Solution

The fourth proportional to 127,799.30, 176,363.76 and 74,116.16 is: 102,280.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,799.30 : 176,363.76 = 74,116.16 : x
  2. Step 2: Convert to fraction form
    127,799.30/176,363.76 = 74,116.16/x
  3. Step 3: Cross multiply
    127,799.30x = 176,363.76 × 74,116.16
  4. Step 4: Simplify right side
    127,799.30x = 13,071,404,654.36
  5. Step 5: Solve for x
    x = 13,071,404,654.36/127,799.30
  6. Step 6: Final answer
    x = 102,280.72

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1.5x scale

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.