Home / 174,301.20-261,451.80-107,816.40

Finding the Fourth Proportional to 174,301.20, 261,451.80 and 107,816.40

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Solution

The fourth proportional to 174,301.20, 261,451.80 and 107,816.40 is: 161,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,301.20 : 261,451.80 = 107,816.40 : x
  2. Step 2: Convert to fraction form
    174,301.20/261,451.80 = 107,816.40/x
  3. Step 3: Cross multiply
    174,301.20x = 261,451.80 × 107,816.40
  4. Step 4: Simplify right side
    174,301.20x = 28,188,791,849.52
  5. Step 5: Solve for x
    x = 28,188,791,849.52/174,301.20
  6. Step 6: Final answer
    x = 161,724.60

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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.