Home / 158,175.58-218,282.28-86,555.61

Finding the Fourth Proportional to 158,175.58, 218,282.28 and 86,555.61

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Solution

The fourth proportional to 158,175.58, 218,282.28 and 86,555.61 is: 119,446.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,175.58 : 218,282.28 = 86,555.61 : x
  2. Step 2: Convert to fraction form
    158,175.58/218,282.28 = 86,555.61/x
  3. Step 3: Cross multiply
    158,175.58x = 218,282.28 × 86,555.61
  4. Step 4: Simplify right side
    158,175.58x = 18,893,555,897.59
  5. Step 5: Solve for x
    x = 18,893,555,897.59/158,175.58
  6. Step 6: Final answer
    x = 119,446.73

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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.