Home / 206,293.32-284,708.38-115,673.76

Finding the Fourth Proportional to 206,293.32, 284,708.38 and 115,673.76

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Solution

The fourth proportional to 206,293.32, 284,708.38 and 115,673.76 is: 159,643.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,293.32 : 284,708.38 = 115,673.76 : x
  2. Step 2: Convert to fraction form
    206,293.32/284,708.38 = 115,673.76/x
  3. Step 3: Cross multiply
    206,293.32x = 284,708.38 × 115,673.76
  4. Step 4: Simplify right side
    206,293.32x = 32,933,288,818.11
  5. Step 5: Solve for x
    x = 32,933,288,818.11/206,293.32
  6. Step 6: Final answer
    x = 159,643.02

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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.