Home / 283,447.29-391,150.79-154,382.18

Finding the Fourth Proportional to 283,447.29, 391,150.79 and 154,382.18

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Solution

The fourth proportional to 283,447.29, 391,150.79 and 154,382.18 is: 213,043.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,447.29 : 391,150.79 = 154,382.18 : x
  2. Step 2: Convert to fraction form
    283,447.29/391,150.79 = 154,382.18/x
  3. Step 3: Cross multiply
    283,447.29x = 391,150.79 × 154,382.18
  4. Step 4: Simplify right side
    283,447.29x = 60,386,708,941.26
  5. Step 5: Solve for x
    x = 60,386,708,941.26/283,447.29
  6. Step 6: Final answer
    x = 213,043.87

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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.