Home / 331,514.17-497,267.61-198,431.57

Finding the Fourth Proportional to 331,514.17, 497,267.61 and 198,431.57

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Solution

The fourth proportional to 331,514.17, 497,267.61 and 198,431.57 is: 297,645.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,514.17 : 497,267.61 = 198,431.57 : x
  2. Step 2: Convert to fraction form
    331,514.17/497,267.61 = 198,431.57/x
  3. Step 3: Cross multiply
    331,514.17x = 497,267.61 × 198,431.57
  4. Step 4: Simplify right side
    331,514.17x = 98,673,593,061.50
  5. Step 5: Solve for x
    x = 98,673,593,061.50/331,514.17
  6. Step 6: Final answer
    x = 297,645.18

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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.