Home / 109,304.10-163,956.15-104,930.10

Finding the Fourth Proportional to 109,304.10, 163,956.15 and 104,930.10

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Solution

The fourth proportional to 109,304.10, 163,956.15 and 104,930.10 is: 157,395.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,304.10 : 163,956.15 = 104,930.10 : x
  2. Step 2: Convert to fraction form
    109,304.10/163,956.15 = 104,930.10/x
  3. Step 3: Cross multiply
    109,304.10x = 163,956.15 × 104,930.10
  4. Step 4: Simplify right side
    109,304.10x = 17,203,935,215.12
  5. Step 5: Solve for x
    x = 17,203,935,215.12/109,304.10
  6. Step 6: Final answer
    x = 157,395.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.