Home / 246,991.35-340,722.66-156,194.40

Finding the Fourth Proportional to 246,991.35, 340,722.66 and 156,194.40

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Solution

The fourth proportional to 246,991.35, 340,722.66 and 156,194.40 is: 215,468.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,991.35 : 340,722.66 = 156,194.40 : x
  2. Step 2: Convert to fraction form
    246,991.35/340,722.66 = 156,194.40/x
  3. Step 3: Cross multiply
    246,991.35x = 340,722.66 × 156,194.40
  4. Step 4: Simplify right side
    246,991.35x = 53,218,971,445.10
  5. Step 5: Solve for x
    x = 53,218,971,445.10/246,991.35
  6. Step 6: Final answer
    x = 215,468.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.