Home / 127,251.24-175,622.82-76,950.12

Finding the Fourth Proportional to 127,251.24, 175,622.82 and 76,950.12

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Solution

The fourth proportional to 127,251.24, 175,622.82 and 76,950.12 is: 106,200.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,251.24 : 175,622.82 = 76,950.12 : x
  2. Step 2: Convert to fraction form
    127,251.24/175,622.82 = 76,950.12/x
  3. Step 3: Cross multiply
    127,251.24x = 175,622.82 × 76,950.12
  4. Step 4: Simplify right side
    127,251.24x = 13,514,197,073.74
  5. Step 5: Solve for x
    x = 13,514,197,073.74/127,251.24
  6. Step 6: Final answer
    x = 106,200.91

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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.