Home / 127,654.38-176,156.15-70,282.53

Finding the Fourth Proportional to 127,654.38, 176,156.15 and 70,282.53

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Solution

The fourth proportional to 127,654.38, 176,156.15 and 70,282.53 is: 96,986.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,654.38 : 176,156.15 = 70,282.53 : x
  2. Step 2: Convert to fraction form
    127,654.38/176,156.15 = 70,282.53/x
  3. Step 3: Cross multiply
    127,654.38x = 176,156.15 × 70,282.53
  4. Step 4: Simplify right side
    127,654.38x = 12,380,699,545.65
  5. Step 5: Solve for x
    x = 12,380,699,545.65/127,654.38
  6. Step 6: Final answer
    x = 96,986.09

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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.