Home / 185,664.96-278,411.04-67,331.52

Finding the Fourth Proportional to 185,664.96, 278,411.04 and 67,331.52

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Solution

The fourth proportional to 185,664.96, 278,411.04 and 67,331.52 is: 100,965.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,664.96 : 278,411.04 = 67,331.52 : x
  2. Step 2: Convert to fraction form
    185,664.96/278,411.04 = 67,331.52/x
  3. Step 3: Cross multiply
    185,664.96x = 278,411.04 × 67,331.52
  4. Step 4: Simplify right side
    185,664.96x = 18,745,838,507.98
  5. Step 5: Solve for x
    x = 18,745,838,507.98/185,664.96
  6. Step 6: Final answer
    x = 100,965.95

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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.