Home / 278,628.04-417,942.06-195,891.40

Finding the Fourth Proportional to 278,628.04, 417,942.06 and 195,891.40

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Solution

The fourth proportional to 278,628.04, 417,942.06 and 195,891.40 is: 293,837.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,628.04 : 417,942.06 = 195,891.40 : x
  2. Step 2: Convert to fraction form
    278,628.04/417,942.06 = 195,891.40/x
  3. Step 3: Cross multiply
    278,628.04x = 417,942.06 × 195,891.40
  4. Step 4: Simplify right side
    278,628.04x = 81,871,255,252.28
  5. Step 5: Solve for x
    x = 81,871,255,252.28/278,628.04
  6. Step 6: Final answer
    x = 293,837.10

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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.