Home / 324,784.50-487,119.24-88,145.58

Finding the Fourth Proportional to 324,784.50, 487,119.24 and 88,145.58

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Solution

The fourth proportional to 324,784.50, 487,119.24 and 88,145.58 is: 132,202.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,784.50 : 487,119.24 = 88,145.58 : x
  2. Step 2: Convert to fraction form
    324,784.50/487,119.24 = 88,145.58/x
  3. Step 3: Cross multiply
    324,784.50x = 487,119.24 × 88,145.58
  4. Step 4: Simplify right side
    324,784.50x = 42,937,407,938.96
  5. Step 5: Solve for x
    x = 42,937,407,938.96/324,784.50
  6. Step 6: Final answer
    x = 132,202.76

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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.