Home / 282,269.44-389,519.58-154,947.16

Finding the Fourth Proportional to 282,269.44, 389,519.58 and 154,947.16

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Solution

The fourth proportional to 282,269.44, 389,519.58 and 154,947.16 is: 213,820.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,269.44 : 389,519.58 = 154,947.16 : x
  2. Step 2: Convert to fraction form
    282,269.44/389,519.58 = 154,947.16/x
  3. Step 3: Cross multiply
    282,269.44x = 389,519.58 × 154,947.16
  4. Step 4: Simplify right side
    282,269.44x = 60,354,952,685.39
  5. Step 5: Solve for x
    x = 60,354,952,685.39/282,269.44
  6. Step 6: Final answer
    x = 213,820.36

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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.