Home / 318,516.24-439,570.56-182,572.80

Finding the Fourth Proportional to 318,516.24, 439,570.56 and 182,572.80

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Solution

The fourth proportional to 318,516.24, 439,570.56 and 182,572.80 is: 251,960.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,516.24 : 439,570.56 = 182,572.80 : x
  2. Step 2: Convert to fraction form
    318,516.24/439,570.56 = 182,572.80/x
  3. Step 3: Cross multiply
    318,516.24x = 439,570.56 × 182,572.80
  4. Step 4: Simplify right side
    318,516.24x = 80,253,627,936.77
  5. Step 5: Solve for x
    x = 80,253,627,936.77/318,516.24
  6. Step 6: Final answer
    x = 251,960.87

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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.