Home / 151,230.48-208,348.68-108,715.44

Finding the Fourth Proportional to 151,230.48, 208,348.68 and 108,715.44

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Solution

The fourth proportional to 151,230.48, 208,348.68 and 108,715.44 is: 149,776.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,230.48 : 208,348.68 = 108,715.44 : x
  2. Step 2: Convert to fraction form
    151,230.48/208,348.68 = 108,715.44/x
  3. Step 3: Cross multiply
    151,230.48x = 208,348.68 × 108,715.44
  4. Step 4: Simplify right side
    151,230.48x = 22,650,718,419.62
  5. Step 5: Solve for x
    x = 22,650,718,419.62/151,230.48
  6. Step 6: Final answer
    x = 149,776.15

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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.