Home / 261,664.20-392,496.30-187,014.60

Finding the Fourth Proportional to 261,664.20, 392,496.30 and 187,014.60

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Solution

The fourth proportional to 261,664.20, 392,496.30 and 187,014.60 is: 280,521.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,664.20 : 392,496.30 = 187,014.60 : x
  2. Step 2: Convert to fraction form
    261,664.20/392,496.30 = 187,014.60/x
  3. Step 3: Cross multiply
    261,664.20x = 392,496.30 × 187,014.60
  4. Step 4: Simplify right side
    261,664.20x = 73,402,538,545.98
  5. Step 5: Solve for x
    x = 73,402,538,545.98/261,664.20
  6. Step 6: Final answer
    x = 280,521.90

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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.