Home / 205,530.38-283,553.18-124,928.49

Finding the Fourth Proportional to 205,530.38, 283,553.18 and 124,928.49

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Solution

The fourth proportional to 205,530.38, 283,553.18 and 124,928.49 is: 172,353.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,530.38 : 283,553.18 = 124,928.49 : x
  2. Step 2: Convert to fraction form
    205,530.38/283,553.18 = 124,928.49/x
  3. Step 3: Cross multiply
    205,530.38x = 283,553.18 × 124,928.49
  4. Step 4: Simplify right side
    205,530.38x = 35,423,871,870.62
  5. Step 5: Solve for x
    x = 35,423,871,870.62/205,530.38
  6. Step 6: Final answer
    x = 172,353.46

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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.