Home / 278,194.77-417,156.08-193,995.27

Finding the Fourth Proportional to 278,194.77, 417,156.08 and 193,995.27

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Solution

The fourth proportional to 278,194.77, 417,156.08 and 193,995.27 is: 290,898.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,194.77 : 417,156.08 = 193,995.27 : x
  2. Step 2: Convert to fraction form
    278,194.77/417,156.08 = 193,995.27/x
  3. Step 3: Cross multiply
    278,194.77x = 417,156.08 × 193,995.27
  4. Step 4: Simplify right side
    278,194.77x = 80,926,305,401.77
  5. Step 5: Solve for x
    x = 80,926,305,401.77/278,194.77
  6. Step 6: Final answer
    x = 290,898.01

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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.