Home / 131,207.40-196,811.10-122,394.60

Finding the Fourth Proportional to 131,207.40, 196,811.10 and 122,394.60

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Solution

The fourth proportional to 131,207.40, 196,811.10 and 122,394.60 is: 183,591.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,207.40 : 196,811.10 = 122,394.60 : x
  2. Step 2: Convert to fraction form
    131,207.40/196,811.10 = 122,394.60/x
  3. Step 3: Cross multiply
    131,207.40x = 196,811.10 × 122,394.60
  4. Step 4: Simplify right side
    131,207.40x = 24,088,615,860.06
  5. Step 5: Solve for x
    x = 24,088,615,860.06/131,207.40
  6. Step 6: Final answer
    x = 183,591.90

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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.