Home / 293,827.12-405,480-159,691.12

Finding the Fourth Proportional to 293,827.12, 405,480 and 159,691.12

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Solution

The fourth proportional to 293,827.12, 405,480 and 159,691.12 is: 220,372.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,827.12 : 405,480 = 159,691.12 : x
  2. Step 2: Convert to fraction form
    293,827.12/405,480 = 159,691.12/x
  3. Step 3: Cross multiply
    293,827.12x = 405,480 × 159,691.12
  4. Step 4: Simplify right side
    293,827.12x = 64,751,555,337.60
  5. Step 5: Solve for x
    x = 64,751,555,337.60/293,827.12
  6. Step 6: Final answer
    x = 220,372.97

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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.