Home / 105,057.14-156,766.33-93,734.65

Finding the Fourth Proportional to 105,057.14, 156,766.33 and 93,734.65

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Solution

The fourth proportional to 105,057.14, 156,766.33 and 93,734.65 is: 139,870.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,057.14 : 156,766.33 = 93,734.65 : x
  2. Step 2: Convert to fraction form
    105,057.14/156,766.33 = 93,734.65/x
  3. Step 3: Cross multiply
    105,057.14x = 156,766.33 × 93,734.65
  4. Step 4: Simplify right side
    105,057.14x = 14,694,436,330.91
  5. Step 5: Solve for x
    x = 14,694,436,330.91/105,057.14
  6. Step 6: Final answer
    x = 139,870.90

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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.