Home / 105,922.08-146,304.16-79,186.01

Finding the Fourth Proportional to 105,922.08, 146,304.16 and 79,186.01

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Solution

The fourth proportional to 105,922.08, 146,304.16 and 79,186.01 is: 109,375.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,922.08 : 146,304.16 = 79,186.01 : x
  2. Step 2: Convert to fraction form
    105,922.08/146,304.16 = 79,186.01/x
  3. Step 3: Cross multiply
    105,922.08x = 146,304.16 × 79,186.01
  4. Step 4: Simplify right side
    105,922.08x = 11,585,241,747.32
  5. Step 5: Solve for x
    x = 11,585,241,747.32/105,922.08
  6. Step 6: Final answer
    x = 109,375.13

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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.