Home / 131,429.90-197,101.65-48,313.10

Finding the Fourth Proportional to 131,429.90, 197,101.65 and 48,313.10

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Solution

The fourth proportional to 131,429.90, 197,101.65 and 48,313.10 is: 72,453.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,429.90 : 197,101.65 = 48,313.10 : x
  2. Step 2: Convert to fraction form
    131,429.90/197,101.65 = 48,313.10/x
  3. Step 3: Cross multiply
    131,429.90x = 197,101.65 × 48,313.10
  4. Step 4: Simplify right side
    131,429.90x = 9,522,591,726.62
  5. Step 5: Solve for x
    x = 9,522,591,726.62/131,429.90
  6. Step 6: Final answer
    x = 72,453.77

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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.