Home / 136,304.24-188,105.36-75,871.04

Finding the Fourth Proportional to 136,304.24, 188,105.36 and 75,871.04

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Solution

The fourth proportional to 136,304.24, 188,105.36 and 75,871.04 is: 104,705.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,304.24 : 188,105.36 = 75,871.04 : x
  2. Step 2: Convert to fraction form
    136,304.24/188,105.36 = 75,871.04/x
  3. Step 3: Cross multiply
    136,304.24x = 188,105.36 × 75,871.04
  4. Step 4: Simplify right side
    136,304.24x = 14,271,747,972.89
  5. Step 5: Solve for x
    x = 14,271,747,972.89/136,304.24
  6. Step 6: Final answer
    x = 104,705.10

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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.