Home / 286,182.33-394,706.25-253,511.70

Finding the Fourth Proportional to 286,182.33, 394,706.25 and 253,511.70

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Solution

The fourth proportional to 286,182.33, 394,706.25 and 253,511.70 is: 349,646.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,182.33 : 394,706.25 = 253,511.70 : x
  2. Step 2: Convert to fraction form
    286,182.33/394,706.25 = 253,511.70/x
  3. Step 3: Cross multiply
    286,182.33x = 394,706.25 × 253,511.70
  4. Step 4: Simplify right side
    286,182.33x = 100,062,652,438.13
  5. Step 5: Solve for x
    x = 100,062,652,438.13/286,182.33
  6. Step 6: Final answer
    x = 349,646.51

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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.