Home / 158,840.91-219,204.28-86,246.88

Finding the Fourth Proportional to 158,840.91, 219,204.28 and 86,246.88

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Solution

The fourth proportional to 158,840.91, 219,204.28 and 86,246.88 is: 119,022.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,840.91 : 219,204.28 = 86,246.88 : x
  2. Step 2: Convert to fraction form
    158,840.91/219,204.28 = 86,246.88/x
  3. Step 3: Cross multiply
    158,840.91x = 219,204.28 × 86,246.88
  4. Step 4: Simplify right side
    158,840.91x = 18,905,685,565.04
  5. Step 5: Solve for x
    x = 18,905,685,565.04/158,840.91
  6. Step 6: Final answer
    x = 119,022.78

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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.