Home / 117,537.60-176,306.40-115,204.80

Finding the Fourth Proportional to 117,537.60, 176,306.40 and 115,204.80

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Solution

The fourth proportional to 117,537.60, 176,306.40 and 115,204.80 is: 172,807.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,537.60 : 176,306.40 = 115,204.80 : x
  2. Step 2: Convert to fraction form
    117,537.60/176,306.40 = 115,204.80/x
  3. Step 3: Cross multiply
    117,537.60x = 176,306.40 × 115,204.80
  4. Step 4: Simplify right side
    117,537.60x = 20,311,343,550.72
  5. Step 5: Solve for x
    x = 20,311,343,550.72/117,537.60
  6. Step 6: Final answer
    x = 172,807.20

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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.