Home / 127,876.41-176,470.20-74,193.39

Finding the Fourth Proportional to 127,876.41, 176,470.20 and 74,193.39

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Solution

The fourth proportional to 127,876.41, 176,470.20 and 74,193.39 is: 102,387.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,876.41 : 176,470.20 = 74,193.39 : x
  2. Step 2: Convert to fraction form
    127,876.41/176,470.20 = 74,193.39/x
  3. Step 3: Cross multiply
    127,876.41x = 176,470.20 × 74,193.39
  4. Step 4: Simplify right side
    127,876.41x = 13,092,922,371.98
  5. Step 5: Solve for x
    x = 13,092,922,371.98/127,876.41
  6. Step 6: Final answer
    x = 102,387.32

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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.