Home / 154,191.27-212,792.07-93,751.90

Finding the Fourth Proportional to 154,191.27, 212,792.07 and 93,751.90

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Solution

The fourth proportional to 154,191.27, 212,792.07 and 93,751.90 is: 129,382.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,191.27 : 212,792.07 = 93,751.90 : x
  2. Step 2: Convert to fraction form
    154,191.27/212,792.07 = 93,751.90/x
  3. Step 3: Cross multiply
    154,191.27x = 212,792.07 × 93,751.90
  4. Step 4: Simplify right side
    154,191.27x = 19,949,660,867.43
  5. Step 5: Solve for x
    x = 19,949,660,867.43/154,191.27
  6. Step 6: Final answer
    x = 129,382.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.