Home / 301,589.12-415,962.36-204,867.55

Finding the Fourth Proportional to 301,589.12, 415,962.36 and 204,867.55

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Solution

The fourth proportional to 301,589.12, 415,962.36 and 204,867.55 is: 282,560.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,589.12 : 415,962.36 = 204,867.55 : x
  2. Step 2: Convert to fraction form
    301,589.12/415,962.36 = 204,867.55/x
  3. Step 3: Cross multiply
    301,589.12x = 415,962.36 × 204,867.55
  4. Step 4: Simplify right side
    301,589.12x = 85,217,188,545.51
  5. Step 5: Solve for x
    x = 85,217,188,545.51/301,589.12
  6. Step 6: Final answer
    x = 282,560.56

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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.