Home / 351,471.55-527,181.02-126,831.98

Finding the Fourth Proportional to 351,471.55, 527,181.02 and 126,831.98

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Solution

The fourth proportional to 351,471.55, 527,181.02 and 126,831.98 is: 190,238.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,471.55 : 527,181.02 = 126,831.98 : x
  2. Step 2: Convert to fraction form
    351,471.55/527,181.02 = 126,831.98/x
  3. Step 3: Cross multiply
    351,471.55x = 527,181.02 × 126,831.98
  4. Step 4: Simplify right side
    351,471.55x = 66,863,409,521.42
  5. Step 5: Solve for x
    x = 66,863,409,521.42/351,471.55
  6. Step 6: Final answer
    x = 190,238.47

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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.