Home / 448,082.13-672,123.20-132,514.46

Finding the Fourth Proportional to 448,082.13, 672,123.20 and 132,514.46

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Solution

The fourth proportional to 448,082.13, 672,123.20 and 132,514.46 is: 198,771.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,082.13 : 672,123.20 = 132,514.46 : x
  2. Step 2: Convert to fraction form
    448,082.13/672,123.20 = 132,514.46/x
  3. Step 3: Cross multiply
    448,082.13x = 672,123.20 × 132,514.46
  4. Step 4: Simplify right side
    448,082.13x = 89,066,038,878.28
  5. Step 5: Solve for x
    x = 89,066,038,878.28/448,082.13
  6. Step 6: Final answer
    x = 198,771.68

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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.