Home / 489,932.18-734,997.63-152,959.22

Finding the Fourth Proportional to 489,932.18, 734,997.63 and 152,959.22

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Solution

The fourth proportional to 489,932.18, 734,997.63 and 152,959.22 is: 229,469.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,932.18 : 734,997.63 = 152,959.22 : x
  2. Step 2: Convert to fraction form
    489,932.18/734,997.63 = 152,959.22/x
  3. Step 3: Cross multiply
    489,932.18x = 734,997.63 × 152,959.22
  4. Step 4: Simplify right side
    489,932.18x = 112,424,664,186.65
  5. Step 5: Solve for x
    x = 112,424,664,186.65/489,932.18
  6. Step 6: Final answer
    x = 229,469.85

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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.