Home / 122,290.79-168,763.04-73,886.00

Finding the Fourth Proportional to 122,290.79, 168,763.04 and 73,886.00

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Solution

The fourth proportional to 122,290.79, 168,763.04 and 73,886.00 is: 101,963.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,290.79 : 168,763.04 = 73,886.00 : x
  2. Step 2: Convert to fraction form
    122,290.79/168,763.04 = 73,886.00/x
  3. Step 3: Cross multiply
    122,290.79x = 168,763.04 × 73,886.00
  4. Step 4: Simplify right side
    122,290.79x = 12,469,225,304.11
  5. Step 5: Solve for x
    x = 12,469,225,304.11/122,290.79
  6. Step 6: Final answer
    x = 101,963.73

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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.