Home / 185,166.50-255,639.89-117,241.70

Finding the Fourth Proportional to 185,166.50, 255,639.89 and 117,241.70

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Solution

The fourth proportional to 185,166.50, 255,639.89 and 117,241.70 is: 161,863.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,166.50 : 255,639.89 = 117,241.70 : x
  2. Step 2: Convert to fraction form
    185,166.50/255,639.89 = 117,241.70/x
  3. Step 3: Cross multiply
    185,166.50x = 255,639.89 × 117,241.70
  4. Step 4: Simplify right side
    185,166.50x = 29,971,654,306.32
  5. Step 5: Solve for x
    x = 29,971,654,306.32/185,166.50
  6. Step 6: Final answer
    x = 161,863.27

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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.