Home / 131,002.20-196,503.30-89,530.20

Finding the Fourth Proportional to 131,002.20, 196,503.30 and 89,530.20

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Solution

The fourth proportional to 131,002.20, 196,503.30 and 89,530.20 is: 134,295.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,002.20 : 196,503.30 = 89,530.20 : x
  2. Step 2: Convert to fraction form
    131,002.20/196,503.30 = 89,530.20/x
  3. Step 3: Cross multiply
    131,002.20x = 196,503.30 × 89,530.20
  4. Step 4: Simplify right side
    131,002.20x = 17,592,979,749.66
  5. Step 5: Solve for x
    x = 17,592,979,749.66/131,002.20
  6. Step 6: Final answer
    x = 134,295.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.