Home / 158,986.55-219,353.60-95,301.11

Finding the Fourth Proportional to 158,986.55, 219,353.60 and 95,301.11

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Solution

The fourth proportional to 158,986.55, 219,353.60 and 95,301.11 is: 131,486.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,986.55 : 219,353.60 = 95,301.11 : x
  2. Step 2: Convert to fraction form
    158,986.55/219,353.60 = 95,301.11/x
  3. Step 3: Cross multiply
    158,986.55x = 219,353.60 × 95,301.11
  4. Step 4: Simplify right side
    158,986.55x = 20,904,641,085.99
  5. Step 5: Solve for x
    x = 20,904,641,085.99/158,986.55
  6. Step 6: Final answer
    x = 131,486.85

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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.