Home / 283,633.77-391,414.65-154,572.27

Finding the Fourth Proportional to 283,633.77, 391,414.65 and 154,572.27

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Solution

The fourth proportional to 283,633.77, 391,414.65 and 154,572.27 is: 213,309.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,633.77 : 391,414.65 = 154,572.27 : x
  2. Step 2: Convert to fraction form
    283,633.77/391,414.65 = 154,572.27/x
  3. Step 3: Cross multiply
    283,633.77x = 391,414.65 × 154,572.27
  4. Step 4: Simplify right side
    283,633.77x = 60,501,850,961.76
  5. Step 5: Solve for x
    x = 60,501,850,961.76/283,633.77
  6. Step 6: Final answer
    x = 213,309.76

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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.