Home / 147,115.10-220,672.65-88,132.70

Finding the Fourth Proportional to 147,115.10, 220,672.65 and 88,132.70

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Solution

The fourth proportional to 147,115.10, 220,672.65 and 88,132.70 is: 132,199.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,115.10 : 220,672.65 = 88,132.70 : x
  2. Step 2: Convert to fraction form
    147,115.10/220,672.65 = 88,132.70/x
  3. Step 3: Cross multiply
    147,115.10x = 220,672.65 × 88,132.70
  4. Step 4: Simplify right side
    147,115.10x = 19,448,476,460.66
  5. Step 5: Solve for x
    x = 19,448,476,460.66/147,115.10
  6. Step 6: Final answer
    x = 132,199.05

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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.