Home / 261,831.28-392,777.67-93,375.55

Finding the Fourth Proportional to 261,831.28, 392,777.67 and 93,375.55

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Solution

The fourth proportional to 261,831.28, 392,777.67 and 93,375.55 is: 140,074.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,831.28 : 392,777.67 = 93,375.55 : x
  2. Step 2: Convert to fraction form
    261,831.28/392,777.67 = 93,375.55/x
  3. Step 3: Cross multiply
    261,831.28x = 392,777.67 × 93,375.55
  4. Step 4: Simplify right side
    261,831.28x = 36,675,830,963.97
  5. Step 5: Solve for x
    x = 36,675,830,963.97/261,831.28
  6. Step 6: Final answer
    x = 140,074.29

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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.