Home / 141,516.17-195,295.97-76,989.42

Finding the Fourth Proportional to 141,516.17, 195,295.97 and 76,989.42

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Solution

The fourth proportional to 141,516.17, 195,295.97 and 76,989.42 is: 106,247.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,516.17 : 195,295.97 = 76,989.42 : x
  2. Step 2: Convert to fraction form
    141,516.17/195,295.97 = 76,989.42/x
  3. Step 3: Cross multiply
    141,516.17x = 195,295.97 × 76,989.42
  4. Step 4: Simplify right side
    141,516.17x = 15,035,723,458.64
  5. Step 5: Solve for x
    x = 15,035,723,458.64/141,516.17
  6. Step 6: Final answer
    x = 106,247.39

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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.