Home / 324,782.50-487,116.24-88,143.58

Finding the Fourth Proportional to 324,782.50, 487,116.24 and 88,143.58

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Solution

The fourth proportional to 324,782.50, 487,116.24 and 88,143.58 is: 132,199.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,782.50 : 487,116.24 = 88,143.58 : x
  2. Step 2: Convert to fraction form
    324,782.50/487,116.24 = 88,143.58/x
  3. Step 3: Cross multiply
    324,782.50x = 487,116.24 × 88,143.58
  4. Step 4: Simplify right side
    324,782.50x = 42,936,169,269.74
  5. Step 5: Solve for x
    x = 42,936,169,269.74/324,782.50
  6. Step 6: Final answer
    x = 132,199.76

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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.