Home / 306,055.20-459,082.80-193,862.10

Finding the Fourth Proportional to 306,055.20, 459,082.80 and 193,862.10

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Solution

The fourth proportional to 306,055.20, 459,082.80 and 193,862.10 is: 290,793.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,055.20 : 459,082.80 = 193,862.10 : x
  2. Step 2: Convert to fraction form
    306,055.20/459,082.80 = 193,862.10/x
  3. Step 3: Cross multiply
    306,055.20x = 459,082.80 × 193,862.10
  4. Step 4: Simplify right side
    306,055.20x = 88,998,755,681.88
  5. Step 5: Solve for x
    x = 88,998,755,681.88/306,055.20
  6. Step 6: Final answer
    x = 290,793.15

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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.