Home / 282,257.68-389,514.12-154,935.44

Finding the Fourth Proportional to 282,257.68, 389,514.12 and 154,935.44

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Solution

The fourth proportional to 282,257.68, 389,514.12 and 154,935.44 is: 213,810.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,257.68 : 389,514.12 = 154,935.44 : x
  2. Step 2: Convert to fraction form
    282,257.68/389,514.12 = 154,935.44/x
  3. Step 3: Cross multiply
    282,257.68x = 389,514.12 × 154,935.44
  4. Step 4: Simplify right side
    282,257.68x = 60,349,541,568.41
  5. Step 5: Solve for x
    x = 60,349,541,568.41/282,257.68
  6. Step 6: Final answer
    x = 213,810.10

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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.