Home / 324,821.60-487,232.16-88,199

Finding the Fourth Proportional to 324,821.60, 487,232.16 and 88,199

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Solution

The fourth proportional to 324,821.60, 487,232.16 and 88,199 is: 132,298.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,821.60 : 487,232.16 = 88,199 : x
  2. Step 2: Convert to fraction form
    324,821.60/487,232.16 = 88,199/x
  3. Step 3: Cross multiply
    324,821.60x = 487,232.16 × 88,199
  4. Step 4: Simplify right side
    324,821.60x = 42,973,389,279.84
  5. Step 5: Solve for x
    x = 42,973,389,279.84/324,821.60
  6. Step 6: Final answer
    x = 132,298.43

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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.