Home / 283,868.77-391,733.96-154,808.24

Finding the Fourth Proportional to 283,868.77, 391,733.96 and 154,808.24

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Solution

The fourth proportional to 283,868.77, 391,733.96 and 154,808.24 is: 213,632.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,868.77 : 391,733.96 = 154,808.24 : x
  2. Step 2: Convert to fraction form
    283,868.77/391,733.96 = 154,808.24/x
  3. Step 3: Cross multiply
    283,868.77x = 391,733.96 × 154,808.24
  4. Step 4: Simplify right side
    283,868.77x = 60,643,643,917.97
  5. Step 5: Solve for x
    x = 60,643,643,917.97/283,868.77
  6. Step 6: Final answer
    x = 213,632.68

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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.