Home / 137,690.40-206,557.12-58,805.04

Finding the Fourth Proportional to 137,690.40, 206,557.12 and 58,805.04

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Solution

The fourth proportional to 137,690.40, 206,557.12 and 58,805.04 is: 88,216.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,690.40 : 206,557.12 = 58,805.04 : x
  2. Step 2: Convert to fraction form
    137,690.40/206,557.12 = 58,805.04/x
  3. Step 3: Cross multiply
    137,690.40x = 206,557.12 × 58,805.04
  4. Step 4: Simplify right side
    137,690.40x = 12,146,599,703.88
  5. Step 5: Solve for x
    x = 12,146,599,703.88/137,690.40
  6. Step 6: Final answer
    x = 88,216.75

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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.