Home / 181,251.40-271,877.10-128,107.30

Finding the Fourth Proportional to 181,251.40, 271,877.10 and 128,107.30

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Solution

The fourth proportional to 181,251.40, 271,877.10 and 128,107.30 is: 192,160.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,251.40 : 271,877.10 = 128,107.30 : x
  2. Step 2: Convert to fraction form
    181,251.40/271,877.10 = 128,107.30/x
  3. Step 3: Cross multiply
    181,251.40x = 271,877.10 × 128,107.30
  4. Step 4: Simplify right side
    181,251.40x = 34,829,441,212.83
  5. Step 5: Solve for x
    x = 34,829,441,212.83/181,251.40
  6. Step 6: Final answer
    x = 192,160.95

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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.