Home / 324,861.60-487,275.04-103,228.32

Finding the Fourth Proportional to 324,861.60, 487,275.04 and 103,228.32

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Solution

The fourth proportional to 324,861.60, 487,275.04 and 103,228.32 is: 154,836.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,861.60 : 487,275.04 = 103,228.32 : x
  2. Step 2: Convert to fraction form
    324,861.60/487,275.04 = 103,228.32/x
  3. Step 3: Cross multiply
    324,861.60x = 487,275.04 × 103,228.32
  4. Step 4: Simplify right side
    324,861.60x = 50,300,583,757.13
  5. Step 5: Solve for x
    x = 50,300,583,757.13/324,861.60
  6. Step 6: Final answer
    x = 154,836.96

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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.