Home / 131,119.60-196,664.28-36,356.80

Finding the Fourth Proportional to 131,119.60, 196,664.28 and 36,356.80

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Solution

The fourth proportional to 131,119.60, 196,664.28 and 36,356.80 is: 54,531.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,119.60 : 196,664.28 = 36,356.80 : x
  2. Step 2: Convert to fraction form
    131,119.60/196,664.28 = 36,356.80/x
  3. Step 3: Cross multiply
    131,119.60x = 196,664.28 × 36,356.80
  4. Step 4: Simplify right side
    131,119.60x = 7,150,083,895.10
  5. Step 5: Solve for x
    x = 7,150,083,895.10/131,119.60
  6. Step 6: Final answer
    x = 54,531.01

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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.