Home / 133,207.02-198,838.79-116,391.71

Finding the Fourth Proportional to 133,207.02, 198,838.79 and 116,391.71

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Solution

The fourth proportional to 133,207.02, 198,838.79 and 116,391.71 is: 173,738.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,207.02 : 198,838.79 = 116,391.71 : x
  2. Step 2: Convert to fraction form
    133,207.02/198,838.79 = 116,391.71/x
  3. Step 3: Cross multiply
    133,207.02x = 198,838.79 × 116,391.71
  4. Step 4: Simplify right side
    133,207.02x = 23,143,185,206.28
  5. Step 5: Solve for x
    x = 23,143,185,206.28/133,207.02
  6. Step 6: Final answer
    x = 173,738.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.