Home / 275,981.12-413,981.40-107,514.08

Finding the Fourth Proportional to 275,981.12, 413,981.40 and 107,514.08

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Solution

The fourth proportional to 275,981.12, 413,981.40 and 107,514.08 is: 161,274.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,981.12 : 413,981.40 = 107,514.08 : x
  2. Step 2: Convert to fraction form
    275,981.12/413,981.40 = 107,514.08/x
  3. Step 3: Cross multiply
    275,981.12x = 413,981.40 × 107,514.08
  4. Step 4: Simplify right side
    275,981.12x = 44,508,829,358.11
  5. Step 5: Solve for x
    x = 44,508,829,358.11/275,981.12
  6. Step 6: Final answer
    x = 161,274.91

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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.