Home / 282,236.94-389,488.23-154,913.58

Finding the Fourth Proportional to 282,236.94, 389,488.23 and 154,913.58

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Solution

The fourth proportional to 282,236.94, 389,488.23 and 154,913.58 is: 213,781.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,236.94 : 389,488.23 = 154,913.58 : x
  2. Step 2: Convert to fraction form
    282,236.94/389,488.23 = 154,913.58/x
  3. Step 3: Cross multiply
    282,236.94x = 389,488.23 × 154,913.58
  4. Step 4: Simplify right side
    282,236.94x = 60,337,016,077.16
  5. Step 5: Solve for x
    x = 60,337,016,077.16/282,236.94
  6. Step 6: Final answer
    x = 213,781.43

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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.