Home / 121,217.23-181,838.18-32,479.71

Finding the Fourth Proportional to 121,217.23, 181,838.18 and 32,479.71

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Solution

The fourth proportional to 121,217.23, 181,838.18 and 32,479.71 is: 48,722.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,217.23 : 181,838.18 = 32,479.71 : x
  2. Step 2: Convert to fraction form
    121,217.23/181,838.18 = 32,479.71/x
  3. Step 3: Cross multiply
    121,217.23x = 181,838.18 × 32,479.71
  4. Step 4: Simplify right side
    121,217.23x = 5,906,051,353.33
  5. Step 5: Solve for x
    x = 5,906,051,353.33/121,217.23
  6. Step 6: Final answer
    x = 48,722.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.