Home / 218,927.74-327,899.52-133,306.69

Finding the Fourth Proportional to 218,927.74, 327,899.52 and 133,306.69

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Solution

The fourth proportional to 218,927.74, 327,899.52 and 133,306.69 is: 199,660.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,927.74 : 327,899.52 = 133,306.69 : x
  2. Step 2: Convert to fraction form
    218,927.74/327,899.52 = 133,306.69/x
  3. Step 3: Cross multiply
    218,927.74x = 327,899.52 × 133,306.69
  4. Step 4: Simplify right side
    218,927.74x = 43,711,199,663.79
  5. Step 5: Solve for x
    x = 43,711,199,663.79/218,927.74
  6. Step 6: Final answer
    x = 199,660.40

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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.