Home / 127,667.22-176,177.28-71,078.62

Finding the Fourth Proportional to 127,667.22, 176,177.28 and 71,078.62

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Solution

The fourth proportional to 127,667.22, 176,177.28 and 71,078.62 is: 98,086.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,667.22 : 176,177.28 = 71,078.62 : x
  2. Step 2: Convert to fraction form
    127,667.22/176,177.28 = 71,078.62/x
  3. Step 3: Cross multiply
    127,667.22x = 176,177.28 × 71,078.62
  4. Step 4: Simplify right side
    127,667.22x = 12,522,437,937.75
  5. Step 5: Solve for x
    x = 12,522,437,937.75/127,667.22
  6. Step 6: Final answer
    x = 98,086.56

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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.