Home / 127,180.48-175,502.80-69,818.40

Finding the Fourth Proportional to 127,180.48, 175,502.80 and 69,818.40

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Solution

The fourth proportional to 127,180.48, 175,502.80 and 69,818.40 is: 96,345.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,180.48 : 175,502.80 = 69,818.40 : x
  2. Step 2: Convert to fraction form
    127,180.48/175,502.80 = 69,818.40/x
  3. Step 3: Cross multiply
    127,180.48x = 175,502.80 × 69,818.40
  4. Step 4: Simplify right side
    127,180.48x = 12,253,324,691.52
  5. Step 5: Solve for x
    x = 12,253,324,691.52/127,180.48
  6. Step 6: Final answer
    x = 96,345.95

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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.