Home / 261,650.08-392,513.52-84,098.56

Finding the Fourth Proportional to 261,650.08, 392,513.52 and 84,098.56

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Solution

The fourth proportional to 261,650.08, 392,513.52 and 84,098.56 is: 126,160.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,650.08 : 392,513.52 = 84,098.56 : x
  2. Step 2: Convert to fraction form
    261,650.08/392,513.52 = 84,098.56/x
  3. Step 3: Cross multiply
    261,650.08x = 392,513.52 × 84,098.56
  4. Step 4: Simplify right side
    261,650.08x = 33,009,821,812.53
  5. Step 5: Solve for x
    x = 33,009,821,812.53/261,650.08
  6. Step 6: Final answer
    x = 126,160.18

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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.