Home / 206,295.24-309,445.60-66,053.87

Finding the Fourth Proportional to 206,295.24, 309,445.60 and 66,053.87

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Solution

The fourth proportional to 206,295.24, 309,445.60 and 66,053.87 is: 99,081.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,295.24 : 309,445.60 = 66,053.87 : x
  2. Step 2: Convert to fraction form
    206,295.24/309,445.60 = 66,053.87/x
  3. Step 3: Cross multiply
    206,295.24x = 309,445.60 × 66,053.87
  4. Step 4: Simplify right side
    206,295.24x = 20,440,079,434.47
  5. Step 5: Solve for x
    x = 20,440,079,434.47/206,295.24
  6. Step 6: Final answer
    x = 99,081.68

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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.