Home / 158,986.30-219,353.25-95,300.86

Finding the Fourth Proportional to 158,986.30, 219,353.25 and 95,300.86

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Solution

The fourth proportional to 158,986.30, 219,353.25 and 95,300.86 is: 131,486.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,986.30 : 219,353.25 = 95,300.86 : x
  2. Step 2: Convert to fraction form
    158,986.30/219,353.25 = 95,300.86/x
  3. Step 3: Cross multiply
    158,986.30x = 219,353.25 × 95,300.86
  4. Step 4: Simplify right side
    158,986.30x = 20,904,553,368.80
  5. Step 5: Solve for x
    x = 20,904,553,368.80/158,986.30
  6. Step 6: Final answer
    x = 131,486.51

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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.