Home / 185,931.98-278,787.10-73,628.31

Finding the Fourth Proportional to 185,931.98, 278,787.10 and 73,628.31

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Solution

The fourth proportional to 185,931.98, 278,787.10 and 73,628.31 is: 110,398.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,931.98 : 278,787.10 = 73,628.31 : x
  2. Step 2: Convert to fraction form
    185,931.98/278,787.10 = 73,628.31/x
  3. Step 3: Cross multiply
    185,931.98x = 278,787.10 × 73,628.31
  4. Step 4: Simplify right side
    185,931.98x = 20,526,623,022.80
  5. Step 5: Solve for x
    x = 20,526,623,022.80/185,931.98
  6. Step 6: Final answer
    x = 110,398.56

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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.