Home / 261,869.20-392,840.06-93,339.88

Finding the Fourth Proportional to 261,869.20, 392,840.06 and 93,339.88

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Solution

The fourth proportional to 261,869.20, 392,840.06 and 93,339.88 is: 140,022.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,869.20 : 392,840.06 = 93,339.88 : x
  2. Step 2: Convert to fraction form
    261,869.20/392,840.06 = 93,339.88/x
  3. Step 3: Cross multiply
    261,869.20x = 392,840.06 × 93,339.88
  4. Step 4: Simplify right side
    261,869.20x = 36,667,644,059.59
  5. Step 5: Solve for x
    x = 36,667,644,059.59/261,869.20
  6. Step 6: Final answer
    x = 140,022.74

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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.