Home / 137,690.86-206,557.91-58,805.50

Finding the Fourth Proportional to 137,690.86, 206,557.91 and 58,805.50

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Solution

The fourth proportional to 137,690.86, 206,557.91 and 58,805.50 is: 88,217.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,690.86 : 206,557.91 = 58,805.50 : x
  2. Step 2: Convert to fraction form
    137,690.86/206,557.91 = 58,805.50/x
  3. Step 3: Cross multiply
    137,690.86x = 206,557.91 × 58,805.50
  4. Step 4: Simplify right side
    137,690.86x = 12,146,741,176.51
  5. Step 5: Solve for x
    x = 12,146,741,176.51/137,690.86
  6. Step 6: Final answer
    x = 88,217.48

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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.