Home / 131,230.01-196,876.20-42,483.47

Finding the Fourth Proportional to 131,230.01, 196,876.20 and 42,483.47

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Solution

The fourth proportional to 131,230.01, 196,876.20 and 42,483.47 is: 63,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,230.01 : 196,876.20 = 42,483.47 : x
  2. Step 2: Convert to fraction form
    131,230.01/196,876.20 = 42,483.47/x
  3. Step 3: Cross multiply
    131,230.01x = 196,876.20 × 42,483.47
  4. Step 4: Simplify right side
    131,230.01x = 8,363,984,136.41
  5. Step 5: Solve for x
    x = 8,363,984,136.41/131,230.01
  6. Step 6: Final answer
    x = 63,735.30

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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.