Home / 318,456.24-439,460.55-175,216.38

Finding the Fourth Proportional to 318,456.24, 439,460.55 and 175,216.38

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Solution

The fourth proportional to 318,456.24, 439,460.55 and 175,216.38 is: 241,793.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,456.24 : 439,460.55 = 175,216.38 : x
  2. Step 2: Convert to fraction form
    318,456.24/439,460.55 = 175,216.38/x
  3. Step 3: Cross multiply
    318,456.24x = 439,460.55 × 175,216.38
  4. Step 4: Simplify right side
    318,456.24x = 77,000,686,723.81
  5. Step 5: Solve for x
    x = 77,000,686,723.81/318,456.24
  6. Step 6: Final answer
    x = 241,793.62

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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.