Home / 143,884.14-198,470.42-92,877.22

Finding the Fourth Proportional to 143,884.14, 198,470.42 and 92,877.22

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Solution

The fourth proportional to 143,884.14, 198,470.42 and 92,877.22 is: 128,112.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,884.14 : 198,470.42 = 92,877.22 : x
  2. Step 2: Convert to fraction form
    143,884.14/198,470.42 = 92,877.22/x
  3. Step 3: Cross multiply
    143,884.14x = 198,470.42 × 92,877.22
  4. Step 4: Simplify right side
    143,884.14x = 18,433,380,397.45
  5. Step 5: Solve for x
    x = 18,433,380,397.45/143,884.14
  6. Step 6: Final answer
    x = 128,112.67

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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.