Home / 283,628.75-391,427.03-173,294.63

Finding the Fourth Proportional to 283,628.75, 391,427.03 and 173,294.63

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Solution

The fourth proportional to 283,628.75, 391,427.03 and 173,294.63 is: 239,158.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,628.75 : 391,427.03 = 173,294.63 : x
  2. Step 2: Convert to fraction form
    283,628.75/391,427.03 = 173,294.63/x
  3. Step 3: Cross multiply
    283,628.75x = 391,427.03 × 173,294.63
  4. Step 4: Simplify right side
    283,628.75x = 67,832,202,335.85
  5. Step 5: Solve for x
    x = 67,832,202,335.85/283,628.75
  6. Step 6: Final answer
    x = 239,158.42

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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.