Home / 321,741.68-444,024.51-185,781.35

Finding the Fourth Proportional to 321,741.68, 444,024.51 and 185,781.35

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Solution

The fourth proportional to 321,741.68, 444,024.51 and 185,781.35 is: 256,390.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,741.68 : 444,024.51 = 185,781.35 : x
  2. Step 2: Convert to fraction form
    321,741.68/444,024.51 = 185,781.35/x
  3. Step 3: Cross multiply
    321,741.68x = 444,024.51 × 185,781.35
  4. Step 4: Simplify right side
    321,741.68x = 82,491,472,900.89
  5. Step 5: Solve for x
    x = 82,491,472,900.89/321,741.68
  6. Step 6: Final answer
    x = 256,390.38

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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.