Home / 158,251.14-218,381.22-86,629.68

Finding the Fourth Proportional to 158,251.14, 218,381.22 and 86,629.68

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Solution

The fourth proportional to 158,251.14, 218,381.22 and 86,629.68 is: 119,546.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,251.14 : 218,381.22 = 86,629.68 : x
  2. Step 2: Convert to fraction form
    158,251.14/218,381.22 = 86,629.68/x
  3. Step 3: Cross multiply
    158,251.14x = 218,381.22 × 86,629.68
  4. Step 4: Simplify right side
    158,251.14x = 18,918,295,206.61
  5. Step 5: Solve for x
    x = 18,918,295,206.61/158,251.14
  6. Step 6: Final answer
    x = 119,546.03

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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.