Home / 164,831.68-247,449.36-108,718.72

Finding the Fourth Proportional to 164,831.68, 247,449.36 and 108,718.72

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Solution

The fourth proportional to 164,831.68, 247,449.36 and 108,718.72 is: 163,211.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,831.68 : 247,449.36 = 108,718.72 : x
  2. Step 2: Convert to fraction form
    164,831.68/247,449.36 = 108,718.72/x
  3. Step 3: Cross multiply
    164,831.68x = 247,449.36 × 108,718.72
  4. Step 4: Simplify right side
    164,831.68x = 26,902,377,684.02
  5. Step 5: Solve for x
    x = 26,902,377,684.02/164,831.68
  6. Step 6: Final answer
    x = 163,211.21

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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.