Home / 318,321.48-439,287.12-175,082.70

Finding the Fourth Proportional to 318,321.48, 439,287.12 and 175,082.70

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Solution

The fourth proportional to 318,321.48, 439,287.12 and 175,082.70 is: 241,616.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,321.48 : 439,287.12 = 175,082.70 : x
  2. Step 2: Convert to fraction form
    318,321.48/439,287.12 = 175,082.70/x
  3. Step 3: Cross multiply
    318,321.48x = 439,287.12 × 175,082.70
  4. Step 4: Simplify right side
    318,321.48x = 76,911,575,044.82
  5. Step 5: Solve for x
    x = 76,911,575,044.82/318,321.48
  6. Step 6: Final answer
    x = 241,616.04

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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.