Home / 158,732.06-219,055.52-87,115.97

Finding the Fourth Proportional to 158,732.06, 219,055.52 and 87,115.97

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Solution

The fourth proportional to 158,732.06, 219,055.52 and 87,115.97 is: 120,222.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,732.06 : 219,055.52 = 87,115.97 : x
  2. Step 2: Convert to fraction form
    158,732.06/219,055.52 = 87,115.97/x
  3. Step 3: Cross multiply
    158,732.06x = 219,055.52 × 87,115.97
  4. Step 4: Simplify right side
    158,732.06x = 19,083,234,874.08
  5. Step 5: Solve for x
    x = 19,083,234,874.08/158,732.06
  6. Step 6: Final answer
    x = 120,222.94

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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.