Home / 196,831.92-271,639.80-149,009.52

Finding the Fourth Proportional to 196,831.92, 271,639.80 and 149,009.52

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Solution

The fourth proportional to 196,831.92, 271,639.80 and 149,009.52 is: 205,642.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,831.92 : 271,639.80 = 149,009.52 : x
  2. Step 2: Convert to fraction form
    196,831.92/271,639.80 = 149,009.52/x
  3. Step 3: Cross multiply
    196,831.92x = 271,639.80 × 149,009.52
  4. Step 4: Simplify right side
    196,831.92x = 40,476,916,210.90
  5. Step 5: Solve for x
    x = 40,476,916,210.90/196,831.92
  6. Step 6: Final answer
    x = 205,642.03

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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.