Home / 261,869.49-392,829.62-104,062.59

Finding the Fourth Proportional to 261,869.49, 392,829.62 and 104,062.59

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Solution

The fourth proportional to 261,869.49, 392,829.62 and 104,062.59 is: 156,103.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,869.49 : 392,829.62 = 104,062.59 : x
  2. Step 2: Convert to fraction form
    261,869.49/392,829.62 = 104,062.59/x
  3. Step 3: Cross multiply
    261,869.49x = 392,829.62 × 104,062.59
  4. Step 4: Simplify right side
    261,869.49x = 40,878,867,165.60
  5. Step 5: Solve for x
    x = 40,878,867,165.60/261,869.49
  6. Step 6: Final answer
    x = 156,103.97

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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.