Home / 158,247.49-218,381.52-86,627.56

Finding the Fourth Proportional to 158,247.49, 218,381.52 and 86,627.56

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Solution

The fourth proportional to 158,247.49, 218,381.52 and 86,627.56 is: 119,546.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,247.49 : 218,381.52 = 86,627.56 : x
  2. Step 2: Convert to fraction form
    158,247.49/218,381.52 = 86,627.56/x
  3. Step 3: Cross multiply
    158,247.49x = 218,381.52 × 86,627.56
  4. Step 4: Simplify right side
    158,247.49x = 18,917,858,226.69
  5. Step 5: Solve for x
    x = 18,917,858,226.69/158,247.49
  6. Step 6: Final answer
    x = 119,546.02

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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.