Home / 131,480.20-197,307.64-48,374.20

Finding the Fourth Proportional to 131,480.20, 197,307.64 and 48,374.20

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Solution

The fourth proportional to 131,480.20, 197,307.64 and 48,374.20 is: 72,593.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,480.20 : 197,307.64 = 48,374.20 : x
  2. Step 2: Convert to fraction form
    131,480.20/197,307.64 = 48,374.20/x
  3. Step 3: Cross multiply
    131,480.20x = 197,307.64 × 48,374.20
  4. Step 4: Simplify right side
    131,480.20x = 9,544,599,238.89
  5. Step 5: Solve for x
    x = 9,544,599,238.89/131,480.20
  6. Step 6: Final answer
    x = 72,593.43

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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.