Home / 283,711.44-391,516.32-154,651.12

Finding the Fourth Proportional to 283,711.44, 391,516.32 and 154,651.12

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Solution

The fourth proportional to 283,711.44, 391,516.32 and 154,651.12 is: 213,415.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,711.44 : 391,516.32 = 154,651.12 : x
  2. Step 2: Convert to fraction form
    283,711.44/391,516.32 = 154,651.12/x
  3. Step 3: Cross multiply
    283,711.44x = 391,516.32 × 154,651.12
  4. Step 4: Simplify right side
    283,711.44x = 60,548,437,386.28
  5. Step 5: Solve for x
    x = 60,548,437,386.28/283,711.44
  6. Step 6: Final answer
    x = 213,415.57

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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.