Home / 158,094.35-218,171.92-85,498.65

Finding the Fourth Proportional to 158,094.35, 218,171.92 and 85,498.65

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Solution

The fourth proportional to 158,094.35, 218,171.92 and 85,498.65 is: 117,989.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,094.35 : 218,171.92 = 85,498.65 : x
  2. Step 2: Convert to fraction form
    158,094.35/218,171.92 = 85,498.65/x
  3. Step 3: Cross multiply
    158,094.35x = 218,171.92 × 85,498.65
  4. Step 4: Simplify right side
    158,094.35x = 18,653,405,494.88
  5. Step 5: Solve for x
    x = 18,653,405,494.88/158,094.35
  6. Step 6: Final answer
    x = 117,989.07

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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.