Home / 283,391.27-391,072.34-154,327.17

Finding the Fourth Proportional to 283,391.27, 391,072.34 and 154,327.17

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Solution

The fourth proportional to 283,391.27, 391,072.34 and 154,327.17 is: 212,967.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,391.27 : 391,072.34 = 154,327.17 : x
  2. Step 2: Convert to fraction form
    283,391.27/391,072.34 = 154,327.17/x
  3. Step 3: Cross multiply
    283,391.27x = 391,072.34 × 154,327.17
  4. Step 4: Simplify right side
    283,391.27x = 60,353,086,725.84
  5. Step 5: Solve for x
    x = 60,353,086,725.84/283,391.27
  6. Step 6: Final answer
    x = 212,967.35

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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.