Home / 178,301.05-267,387.89-83,515.05

Finding the Fourth Proportional to 178,301.05, 267,387.89 and 83,515.05

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Solution

The fourth proportional to 178,301.05, 267,387.89 and 83,515.05 is: 125,242.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,301.05 : 267,387.89 = 83,515.05 : x
  2. Step 2: Convert to fraction form
    178,301.05/267,387.89 = 83,515.05/x
  3. Step 3: Cross multiply
    178,301.05x = 267,387.89 × 83,515.05
  4. Step 4: Simplify right side
    178,301.05x = 22,330,912,585.17
  5. Step 5: Solve for x
    x = 22,330,912,585.17/178,301.05
  6. Step 6: Final answer
    x = 125,242.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.