Home / 261,827.52-392,733.44-72,299.50

Finding the Fourth Proportional to 261,827.52, 392,733.44 and 72,299.50

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Solution

The fourth proportional to 261,827.52, 392,733.44 and 72,299.50 is: 108,447.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,827.52 : 392,733.44 = 72,299.50 : x
  2. Step 2: Convert to fraction form
    261,827.52/392,733.44 = 72,299.50/x
  3. Step 3: Cross multiply
    261,827.52x = 392,733.44 × 72,299.50
  4. Step 4: Simplify right side
    261,827.52x = 28,394,431,345.28
  5. Step 5: Solve for x
    x = 28,394,431,345.28/261,827.52
  6. Step 6: Final answer
    x = 108,447.09

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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.