Home / 131,427.90-197,169.93-48,321.90

Finding the Fourth Proportional to 131,427.90, 197,169.93 and 48,321.90

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Solution

The fourth proportional to 131,427.90, 197,169.93 and 48,321.90 is: 72,493.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,427.90 : 197,169.93 = 48,321.90 : x
  2. Step 2: Convert to fraction form
    131,427.90/197,169.93 = 48,321.90/x
  3. Step 3: Cross multiply
    131,427.90x = 197,169.93 × 48,321.90
  4. Step 4: Simplify right side
    131,427.90x = 9,527,625,640.47
  5. Step 5: Solve for x
    x = 9,527,625,640.47/131,427.90
  6. Step 6: Final answer
    x = 72,493.17

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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.