Home / 179,499.60-269,468.10-90,707.40

Finding the Fourth Proportional to 179,499.60, 269,468.10 and 90,707.40

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Solution

The fourth proportional to 179,499.60, 269,468.10 and 90,707.40 is: 136,171.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,499.60 : 269,468.10 = 90,707.40 : x
  2. Step 2: Convert to fraction form
    179,499.60/269,468.10 = 90,707.40/x
  3. Step 3: Cross multiply
    179,499.60x = 269,468.10 × 90,707.40
  4. Step 4: Simplify right side
    179,499.60x = 24,442,750,733.94
  5. Step 5: Solve for x
    x = 24,442,750,733.94/179,499.60
  6. Step 6: Final answer
    x = 136,171.62

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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.