Home / 127,667.28-176,169.96-71,083.92

Finding the Fourth Proportional to 127,667.28, 176,169.96 and 71,083.92

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Solution

The fourth proportional to 127,667.28, 176,169.96 and 71,083.92 is: 98,089.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,667.28 : 176,169.96 = 71,083.92 : x
  2. Step 2: Convert to fraction form
    127,667.28/176,169.96 = 71,083.92/x
  3. Step 3: Cross multiply
    127,667.28x = 176,169.96 × 71,083.92
  4. Step 4: Simplify right side
    127,667.28x = 12,522,851,343.04
  5. Step 5: Solve for x
    x = 12,522,851,343.04/127,667.28
  6. Step 6: Final answer
    x = 98,089.75

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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.