Home / 158,175.70-218,282.46-86,555.73

Finding the Fourth Proportional to 158,175.70, 218,282.46 and 86,555.73

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Solution

The fourth proportional to 158,175.70, 218,282.46 and 86,555.73 is: 119,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,175.70 : 218,282.46 = 86,555.73 : x
  2. Step 2: Convert to fraction form
    158,175.70/218,282.46 = 86,555.73/x
  3. Step 3: Cross multiply
    158,175.70x = 218,282.46 × 86,555.73
  4. Step 4: Simplify right side
    158,175.70x = 18,893,597,671.50
  5. Step 5: Solve for x
    x = 18,893,597,671.50/158,175.70
  6. Step 6: Final answer
    x = 119,446.90

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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.