Home / 185,943.17-278,912.32-45,703.01

Finding the Fourth Proportional to 185,943.17, 278,912.32 and 45,703.01

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Solution

The fourth proportional to 185,943.17, 278,912.32 and 45,703.01 is: 68,553.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,943.17 : 278,912.32 = 45,703.01 : x
  2. Step 2: Convert to fraction form
    185,943.17/278,912.32 = 45,703.01/x
  3. Step 3: Cross multiply
    185,943.17x = 278,912.32 × 45,703.01
  4. Step 4: Simplify right side
    185,943.17x = 12,747,132,550.08
  5. Step 5: Solve for x
    x = 12,747,132,550.08/185,943.17
  6. Step 6: Final answer
    x = 68,553.92

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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.