Home / 126,031.28-173,926.40-69,442.68

Finding the Fourth Proportional to 126,031.28, 173,926.40 and 69,442.68

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Solution

The fourth proportional to 126,031.28, 173,926.40 and 69,442.68 is: 95,832.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,031.28 : 173,926.40 = 69,442.68 : x
  2. Step 2: Convert to fraction form
    126,031.28/173,926.40 = 69,442.68/x
  3. Step 3: Cross multiply
    126,031.28x = 173,926.40 × 69,442.68
  4. Step 4: Simplify right side
    126,031.28x = 12,077,915,338.75
  5. Step 5: Solve for x
    x = 12,077,915,338.75/126,031.28
  6. Step 6: Final answer
    x = 95,832.68

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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.