Home / 143,180.17-198,016.80-125,244.04

Finding the Fourth Proportional to 143,180.17, 198,016.80 and 125,244.04

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Solution

The fourth proportional to 143,180.17, 198,016.80 and 125,244.04 is: 173,211.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,180.17 : 198,016.80 = 125,244.04 : x
  2. Step 2: Convert to fraction form
    143,180.17/198,016.80 = 125,244.04/x
  3. Step 3: Cross multiply
    143,180.17x = 198,016.80 × 125,244.04
  4. Step 4: Simplify right side
    143,180.17x = 24,800,424,019.87
  5. Step 5: Solve for x
    x = 24,800,424,019.87/143,180.17
  6. Step 6: Final answer
    x = 173,211.30

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1.5x scale

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.