Home / 158,225.60-218,353.38-86,604.08

Finding the Fourth Proportional to 158,225.60, 218,353.38 and 86,604.08

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Solution

The fourth proportional to 158,225.60, 218,353.38 and 86,604.08 is: 119,514.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,225.60 : 218,353.38 = 86,604.08 : x
  2. Step 2: Convert to fraction form
    158,225.60/218,353.38 = 86,604.08/x
  3. Step 3: Cross multiply
    158,225.60x = 218,353.38 × 86,604.08
  4. Step 4: Simplify right side
    158,225.60x = 18,910,293,589.79
  5. Step 5: Solve for x
    x = 18,910,293,589.79/158,225.60
  6. Step 6: Final answer
    x = 119,514.75

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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.