Home / 171,397.14-236,470.75-99,761.95

Finding the Fourth Proportional to 171,397.14, 236,470.75 and 99,761.95

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Solution

The fourth proportional to 171,397.14, 236,470.75 and 99,761.95 is: 137,638.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,397.14 : 236,470.75 = 99,761.95 : x
  2. Step 2: Convert to fraction form
    171,397.14/236,470.75 = 99,761.95/x
  3. Step 3: Cross multiply
    171,397.14x = 236,470.75 × 99,761.95
  4. Step 4: Simplify right side
    171,397.14x = 23,590,783,137.96
  5. Step 5: Solve for x
    x = 23,590,783,137.96/171,397.14
  6. Step 6: Final answer
    x = 137,638.14

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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.