Home / 137,666.11-206,520.77-58,780.75

Finding the Fourth Proportional to 137,666.11, 206,520.77 and 58,780.75

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Solution

The fourth proportional to 137,666.11, 206,520.77 and 58,780.75 is: 88,180.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,666.11 : 206,520.77 = 58,780.75 : x
  2. Step 2: Convert to fraction form
    137,666.11/206,520.77 = 58,780.75/x
  3. Step 3: Cross multiply
    137,666.11x = 206,520.77 × 58,780.75
  4. Step 4: Simplify right side
    137,666.11x = 12,139,445,751.18
  5. Step 5: Solve for x
    x = 12,139,445,751.18/137,666.11
  6. Step 6: Final answer
    x = 88,180.35

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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.