Home / 137,734.20-206,601.30-93,119.40

Finding the Fourth Proportional to 137,734.20, 206,601.30 and 93,119.40

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Solution

The fourth proportional to 137,734.20, 206,601.30 and 93,119.40 is: 139,679.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,734.20 : 206,601.30 = 93,119.40 : x
  2. Step 2: Convert to fraction form
    137,734.20/206,601.30 = 93,119.40/x
  3. Step 3: Cross multiply
    137,734.20x = 206,601.30 × 93,119.40
  4. Step 4: Simplify right side
    137,734.20x = 19,238,589,095.22
  5. Step 5: Solve for x
    x = 19,238,589,095.22/137,734.20
  6. Step 6: Final answer
    x = 139,679.10

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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.