Home / 131,426.28-197,151.84-36,662.76

Finding the Fourth Proportional to 131,426.28, 197,151.84 and 36,662.76

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Solution

The fourth proportional to 131,426.28, 197,151.84 and 36,662.76 is: 54,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,426.28 : 197,151.84 = 36,662.76 : x
  2. Step 2: Convert to fraction form
    131,426.28/197,151.84 = 36,662.76/x
  3. Step 3: Cross multiply
    131,426.28x = 197,151.84 × 36,662.76
  4. Step 4: Simplify right side
    131,426.28x = 7,228,130,593.48
  5. Step 5: Solve for x
    x = 7,228,130,593.48/131,426.28
  6. Step 6: Final answer
    x = 54,997.60

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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.