Home / 161,864.13-223,293.11-108,162.33

Finding the Fourth Proportional to 161,864.13, 223,293.11 and 108,162.33

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Solution

The fourth proportional to 161,864.13, 223,293.11 and 108,162.33 is: 149,210.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,864.13 : 223,293.11 = 108,162.33 : x
  2. Step 2: Convert to fraction form
    161,864.13/223,293.11 = 108,162.33/x
  3. Step 3: Cross multiply
    161,864.13x = 223,293.11 × 108,162.33
  4. Step 4: Simplify right side
    161,864.13x = 24,151,902,509.73
  5. Step 5: Solve for x
    x = 24,151,902,509.73/161,864.13
  6. Step 6: Final answer
    x = 149,210.96

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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.