Home / 131,766.60-197,664.30-127,619.40

Finding the Fourth Proportional to 131,766.60, 197,664.30 and 127,619.40

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Solution

The fourth proportional to 131,766.60, 197,664.30 and 127,619.40 is: 191,443.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,766.60 : 197,664.30 = 127,619.40 : x
  2. Step 2: Convert to fraction form
    131,766.60/197,664.30 = 127,619.40/x
  3. Step 3: Cross multiply
    131,766.60x = 197,664.30 × 127,619.40
  4. Step 4: Simplify right side
    131,766.60x = 25,225,799,367.42
  5. Step 5: Solve for x
    x = 25,225,799,367.42/131,766.60
  6. Step 6: Final answer
    x = 191,443.05

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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.