Home / 133,100.18-183,761.15-84,729.41

Finding the Fourth Proportional to 133,100.18, 183,761.15 and 84,729.41

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Solution

The fourth proportional to 133,100.18, 183,761.15 and 84,729.41 is: 116,979.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,100.18 : 183,761.15 = 84,729.41 : x
  2. Step 2: Convert to fraction form
    133,100.18/183,761.15 = 84,729.41/x
  3. Step 3: Cross multiply
    133,100.18x = 183,761.15 × 84,729.41
  4. Step 4: Simplify right side
    133,100.18x = 15,569,972,477.97
  5. Step 5: Solve for x
    x = 15,569,972,477.97/133,100.18
  6. Step 6: Final answer
    x = 116,979.35

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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.