Home / 283,741.44-391,551.19-154,677.12

Finding the Fourth Proportional to 283,741.44, 391,551.19 and 154,677.12

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Solution

The fourth proportional to 283,741.44, 391,551.19 and 154,677.12 is: 213,447.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,741.44 : 391,551.19 = 154,677.12 : x
  2. Step 2: Convert to fraction form
    283,741.44/391,551.19 = 154,677.12/x
  3. Step 3: Cross multiply
    283,741.44x = 391,551.19 × 154,677.12
  4. Step 4: Simplify right side
    283,741.44x = 60,564,010,401.77
  5. Step 5: Solve for x
    x = 60,564,010,401.77/283,741.44
  6. Step 6: Final answer
    x = 213,447.89

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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.