Home / 170,184.60-255,374.10-117,631.80

Finding the Fourth Proportional to 170,184.60, 255,374.10 and 117,631.80

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Solution

The fourth proportional to 170,184.60, 255,374.10 and 117,631.80 is: 176,514.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,184.60 : 255,374.10 = 117,631.80 : x
  2. Step 2: Convert to fraction form
    170,184.60/255,374.10 = 117,631.80/x
  3. Step 3: Cross multiply
    170,184.60x = 255,374.10 × 117,631.80
  4. Step 4: Simplify right side
    170,184.60x = 30,040,115,056.38
  5. Step 5: Solve for x
    x = 30,040,115,056.38/170,184.60
  6. Step 6: Final answer
    x = 176,514.88

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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.