Home / 174,423.40-261,635.10-172,673.80

Finding the Fourth Proportional to 174,423.40, 261,635.10 and 172,673.80

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Solution

The fourth proportional to 174,423.40, 261,635.10 and 172,673.80 is: 259,010.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,423.40 : 261,635.10 = 172,673.80 : x
  2. Step 2: Convert to fraction form
    174,423.40/261,635.10 = 172,673.80/x
  3. Step 3: Cross multiply
    174,423.40x = 261,635.10 × 172,673.80
  4. Step 4: Simplify right side
    174,423.40x = 45,177,526,930.38
  5. Step 5: Solve for x
    x = 45,177,526,930.38/174,423.40
  6. Step 6: Final answer
    x = 259,010.70

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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.