Home / 131,402.70-196,812.45-113,906.70

Finding the Fourth Proportional to 131,402.70, 196,812.45 and 113,906.70

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Solution

The fourth proportional to 131,402.70, 196,812.45 and 113,906.70 is: 170,607.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,402.70 : 196,812.45 = 113,906.70 : x
  2. Step 2: Convert to fraction form
    131,402.70/196,812.45 = 113,906.70/x
  3. Step 3: Cross multiply
    131,402.70x = 196,812.45 × 113,906.70
  4. Step 4: Simplify right side
    131,402.70x = 22,418,256,698.42
  5. Step 5: Solve for x
    x = 22,418,256,698.42/131,402.70
  6. Step 6: Final answer
    x = 170,607.28

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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.