Home / 218,637.60-327,956.40-125,077.74

Finding the Fourth Proportional to 218,637.60, 327,956.40 and 125,077.74

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Solution

The fourth proportional to 218,637.60, 327,956.40 and 125,077.74 is: 187,616.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,637.60 : 327,956.40 = 125,077.74 : x
  2. Step 2: Convert to fraction form
    218,637.60/327,956.40 = 125,077.74/x
  3. Step 3: Cross multiply
    218,637.60x = 327,956.40 × 125,077.74
  4. Step 4: Simplify right side
    218,637.60x = 41,020,045,330.54
  5. Step 5: Solve for x
    x = 41,020,045,330.54/218,637.60
  6. Step 6: Final answer
    x = 187,616.61

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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.