Home / 143,951.16-198,565.50-92,883.96

Finding the Fourth Proportional to 143,951.16, 198,565.50 and 92,883.96

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Solution

The fourth proportional to 143,951.16, 198,565.50 and 92,883.96 is: 128,123.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,951.16 : 198,565.50 = 92,883.96 : x
  2. Step 2: Convert to fraction form
    143,951.16/198,565.50 = 92,883.96/x
  3. Step 3: Cross multiply
    143,951.16x = 198,565.50 × 92,883.96
  4. Step 4: Simplify right side
    143,951.16x = 18,443,549,959.38
  5. Step 5: Solve for x
    x = 18,443,549,959.38/143,951.16
  6. Step 6: Final answer
    x = 128,123.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.