Home / 110,240.66-152,127.68-64,920.56

Finding the Fourth Proportional to 110,240.66, 152,127.68 and 64,920.56

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Solution

The fourth proportional to 110,240.66, 152,127.68 and 64,920.56 is: 89,587.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,240.66 : 152,127.68 = 64,920.56 : x
  2. Step 2: Convert to fraction form
    110,240.66/152,127.68 = 64,920.56/x
  3. Step 3: Cross multiply
    110,240.66x = 152,127.68 × 64,920.56
  4. Step 4: Simplify right side
    110,240.66x = 9,876,214,177.10
  5. Step 5: Solve for x
    x = 9,876,214,177.10/110,240.66
  6. Step 6: Final answer
    x = 89,587.76

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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.