Home / 318,468.20-439,481.06-175,219.56

Finding the Fourth Proportional to 318,468.20, 439,481.06 and 175,219.56

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Solution

The fourth proportional to 318,468.20, 439,481.06 and 175,219.56 is: 241,800.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,468.20 : 439,481.06 = 175,219.56 : x
  2. Step 2: Convert to fraction form
    318,468.20/439,481.06 = 175,219.56/x
  3. Step 3: Cross multiply
    318,468.20x = 439,481.06 × 175,219.56
  4. Step 4: Simplify right side
    318,468.20x = 77,005,677,961.53
  5. Step 5: Solve for x
    x = 77,005,677,961.53/318,468.20
  6. Step 6: Final answer
    x = 241,800.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.