Home / 133,113.02-198,514.92-113,517.50

Finding the Fourth Proportional to 133,113.02, 198,514.92 and 113,517.50

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Solution

The fourth proportional to 133,113.02, 198,514.92 and 113,517.50 is: 169,291.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,113.02 : 198,514.92 = 113,517.50 : x
  2. Step 2: Convert to fraction form
    133,113.02/198,514.92 = 113,517.50/x
  3. Step 3: Cross multiply
    133,113.02x = 198,514.92 × 113,517.50
  4. Step 4: Simplify right side
    133,113.02x = 22,534,917,431.10
  5. Step 5: Solve for x
    x = 22,534,917,431.10/133,113.02
  6. Step 6: Final answer
    x = 169,291.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.