Home / 118,031.20-177,079.52-51,477.12

Finding the Fourth Proportional to 118,031.20, 177,079.52 and 51,477.12

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Solution

The fourth proportional to 118,031.20, 177,079.52 and 51,477.12 is: 77,229.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,031.20 : 177,079.52 = 51,477.12 : x
  2. Step 2: Convert to fraction form
    118,031.20/177,079.52 = 51,477.12/x
  3. Step 3: Cross multiply
    118,031.20x = 177,079.52 × 51,477.12
  4. Step 4: Simplify right side
    118,031.20x = 9,115,543,700.58
  5. Step 5: Solve for x
    x = 9,115,543,700.58/118,031.20
  6. Step 6: Final answer
    x = 77,229.95

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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.