Home / 282,002.58-389,161.42-154,677.26

Finding the Fourth Proportional to 282,002.58, 389,161.42 and 154,677.26

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Solution

The fourth proportional to 282,002.58, 389,161.42 and 154,677.26 is: 213,453.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,002.58 : 389,161.42 = 154,677.26 : x
  2. Step 2: Convert to fraction form
    282,002.58/389,161.42 = 154,677.26/x
  3. Step 3: Cross multiply
    282,002.58x = 389,161.42 × 154,677.26
  4. Step 4: Simplify right side
    282,002.58x = 60,194,422,143.31
  5. Step 5: Solve for x
    x = 60,194,422,143.31/282,002.58
  6. Step 6: Final answer
    x = 213,453.44

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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.