Home / 402,205.43-555,082.04-230,089.22

Finding the Fourth Proportional to 402,205.43, 555,082.04 and 230,089.22

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Solution

The fourth proportional to 402,205.43, 555,082.04 and 230,089.22 is: 317,545.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,205.43 : 555,082.04 = 230,089.22 : x
  2. Step 2: Convert to fraction form
    402,205.43/555,082.04 = 230,089.22/x
  3. Step 3: Cross multiply
    402,205.43x = 555,082.04 × 230,089.22
  4. Step 4: Simplify right side
    402,205.43x = 127,718,393,500.98
  5. Step 5: Solve for x
    x = 127,718,393,500.98/402,205.43
  6. Step 6: Final answer
    x = 317,545.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.