Home / 318,481.23-439,522.71-182,557.29

Finding the Fourth Proportional to 318,481.23, 439,522.71 and 182,557.29

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Solution

The fourth proportional to 318,481.23, 439,522.71 and 182,557.29 is: 251,939.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,481.23 : 439,522.71 = 182,557.29 : x
  2. Step 2: Convert to fraction form
    318,481.23/439,522.71 = 182,557.29/x
  3. Step 3: Cross multiply
    318,481.23x = 439,522.71 × 182,557.29
  4. Step 4: Simplify right side
    318,481.23x = 80,238,074,831.06
  5. Step 5: Solve for x
    x = 80,238,074,831.06/318,481.23
  6. Step 6: Final answer
    x = 251,939.73

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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.