Home / 150,990.48-226,514.88-80,948.16

Finding the Fourth Proportional to 150,990.48, 226,514.88 and 80,948.16

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Solution

The fourth proportional to 150,990.48, 226,514.88 and 80,948.16 is: 121,437.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,990.48 : 226,514.88 = 80,948.16 : x
  2. Step 2: Convert to fraction form
    150,990.48/226,514.88 = 80,948.16/x
  3. Step 3: Cross multiply
    150,990.48x = 226,514.88 × 80,948.16
  4. Step 4: Simplify right side
    150,990.48x = 18,335,962,748.62
  5. Step 5: Solve for x
    x = 18,335,962,748.62/150,990.48
  6. Step 6: Final answer
    x = 121,437.87

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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.