Home / 131,230.50-196,881.03-52,400.13

Finding the Fourth Proportional to 131,230.50, 196,881.03 and 52,400.13

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Solution

The fourth proportional to 131,230.50, 196,881.03 and 52,400.13 is: 78,614.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,230.50 : 196,881.03 = 52,400.13 : x
  2. Step 2: Convert to fraction form
    131,230.50/196,881.03 = 52,400.13/x
  3. Step 3: Cross multiply
    131,230.50x = 196,881.03 × 52,400.13
  4. Step 4: Simplify right side
    131,230.50x = 10,316,591,566.53
  5. Step 5: Solve for x
    x = 10,316,591,566.53/131,230.50
  6. Step 6: Final answer
    x = 78,614.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.