Home / 174,442.40-261,145.20-115,344.80

Finding the Fourth Proportional to 174,442.40, 261,145.20 and 115,344.80

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Solution

The fourth proportional to 174,442.40, 261,145.20 and 115,344.80 is: 172,674.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,442.40 : 261,145.20 = 115,344.80 : x
  2. Step 2: Convert to fraction form
    174,442.40/261,145.20 = 115,344.80/x
  3. Step 3: Cross multiply
    174,442.40x = 261,145.20 × 115,344.80
  4. Step 4: Simplify right side
    174,442.40x = 30,121,740,864.96
  5. Step 5: Solve for x
    x = 30,121,740,864.96/174,442.40
  6. Step 6: Final answer
    x = 172,674.42

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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.