Home / 102,904.20-154,356.30-29,032.20

Finding the Fourth Proportional to 102,904.20, 154,356.30 and 29,032.20

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Solution

The fourth proportional to 102,904.20, 154,356.30 and 29,032.20 is: 43,548.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,904.20 : 154,356.30 = 29,032.20 : x
  2. Step 2: Convert to fraction form
    102,904.20/154,356.30 = 29,032.20/x
  3. Step 3: Cross multiply
    102,904.20x = 154,356.30 × 29,032.20
  4. Step 4: Simplify right side
    102,904.20x = 4,481,302,972.86
  5. Step 5: Solve for x
    x = 4,481,302,972.86/102,904.20
  6. Step 6: Final answer
    x = 43,548.30

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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.