Home / 129,951.22-179,331.27-73,364.98

Finding the Fourth Proportional to 129,951.22, 179,331.27 and 73,364.98

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Solution

The fourth proportional to 129,951.22, 179,331.27 and 73,364.98 is: 101,242.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,951.22 : 179,331.27 = 73,364.98 : x
  2. Step 2: Convert to fraction form
    129,951.22/179,331.27 = 73,364.98/x
  3. Step 3: Cross multiply
    129,951.22x = 179,331.27 × 73,364.98
  4. Step 4: Simplify right side
    129,951.22x = 13,156,635,036.92
  5. Step 5: Solve for x
    x = 13,156,635,036.92/129,951.22
  6. Step 6: Final answer
    x = 101,242.87

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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.