Home / 157,684.50-217,604.61-101,172.42

Finding the Fourth Proportional to 157,684.50, 217,604.61 and 101,172.42

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Solution

The fourth proportional to 157,684.50, 217,604.61 and 101,172.42 is: 139,617.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,684.50 : 217,604.61 = 101,172.42 : x
  2. Step 2: Convert to fraction form
    157,684.50/217,604.61 = 101,172.42/x
  3. Step 3: Cross multiply
    157,684.50x = 217,604.61 × 101,172.42
  4. Step 4: Simplify right side
    157,684.50x = 22,015,584,996.86
  5. Step 5: Solve for x
    x = 22,015,584,996.86/157,684.50
  6. Step 6: Final answer
    x = 139,617.94

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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.