Home / 131,101.60-196,652.40-36,331.60

Finding the Fourth Proportional to 131,101.60, 196,652.40 and 36,331.60

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Solution

The fourth proportional to 131,101.60, 196,652.40 and 36,331.60 is: 54,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,101.60 : 196,652.40 = 36,331.60 : x
  2. Step 2: Convert to fraction form
    131,101.60/196,652.40 = 36,331.60/x
  3. Step 3: Cross multiply
    131,101.60x = 196,652.40 × 36,331.60
  4. Step 4: Simplify right side
    131,101.60x = 7,144,696,335.84
  5. Step 5: Solve for x
    x = 7,144,696,335.84/131,101.60
  6. Step 6: Final answer
    x = 54,497.40

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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.