Home / 218,122.34-326,849.31-146,781.04

Finding the Fourth Proportional to 218,122.34, 326,849.31 and 146,781.04

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Solution

The fourth proportional to 218,122.34, 326,849.31 and 146,781.04 is: 219,946.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,122.34 : 326,849.31 = 146,781.04 : x
  2. Step 2: Convert to fraction form
    218,122.34/326,849.31 = 146,781.04/x
  3. Step 3: Cross multiply
    218,122.34x = 326,849.31 × 146,781.04
  4. Step 4: Simplify right side
    218,122.34x = 47,975,281,140.77
  5. Step 5: Solve for x
    x = 47,975,281,140.77/218,122.34
  6. Step 6: Final answer
    x = 219,946.66

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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.