Home / 161,832.30-223,424.24-143,877.61

Finding the Fourth Proportional to 161,832.30, 223,424.24 and 143,877.61

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Solution

The fourth proportional to 161,832.30, 223,424.24 and 143,877.61 is: 198,636.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,832.30 : 223,424.24 = 143,877.61 : x
  2. Step 2: Convert to fraction form
    161,832.30/223,424.24 = 143,877.61/x
  3. Step 3: Cross multiply
    161,832.30x = 223,424.24 × 143,877.61
  4. Step 4: Simplify right side
    161,832.30x = 32,145,745,667.27
  5. Step 5: Solve for x
    x = 32,145,745,667.27/161,832.30
  6. Step 6: Final answer
    x = 198,636.15

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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.