Home / 283,648.11-391,282.34-181,563.74

Finding the Fourth Proportional to 283,648.11, 391,282.34 and 181,563.74

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Solution

The fourth proportional to 283,648.11, 391,282.34 and 181,563.74 is: 250,460.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,648.11 : 391,282.34 = 181,563.74 : x
  2. Step 2: Convert to fraction form
    283,648.11/391,282.34 = 181,563.74/x
  3. Step 3: Cross multiply
    283,648.11x = 391,282.34 × 181,563.74
  4. Step 4: Simplify right side
    283,648.11x = 71,042,683,089.94
  5. Step 5: Solve for x
    x = 71,042,683,089.94/283,648.11
  6. Step 6: Final answer
    x = 250,460.63

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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.