Home / 261,082.08-391,500.96-153,044.40

Finding the Fourth Proportional to 261,082.08, 391,500.96 and 153,044.40

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Solution

The fourth proportional to 261,082.08, 391,500.96 and 153,044.40 is: 229,494.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,082.08 : 391,500.96 = 153,044.40 : x
  2. Step 2: Convert to fraction form
    261,082.08/391,500.96 = 153,044.40/x
  3. Step 3: Cross multiply
    261,082.08x = 391,500.96 × 153,044.40
  4. Step 4: Simplify right side
    261,082.08x = 59,917,029,522.62
  5. Step 5: Solve for x
    x = 59,917,029,522.62/261,082.08
  6. Step 6: Final answer
    x = 229,494.99

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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.