Home / 489,041.37-733,483.17-133,972.38

Finding the Fourth Proportional to 489,041.37, 733,483.17 and 133,972.38

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Solution

The fourth proportional to 489,041.37, 733,483.17 and 133,972.38 is: 200,936.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,041.37 : 733,483.17 = 133,972.38 : x
  2. Step 2: Convert to fraction form
    489,041.37/733,483.17 = 133,972.38/x
  3. Step 3: Cross multiply
    489,041.37x = 733,483.17 × 133,972.38
  4. Step 4: Simplify right side
    489,041.37x = 98,266,485,974.84
  5. Step 5: Solve for x
    x = 98,266,485,974.84/489,041.37
  6. Step 6: Final answer
    x = 200,936.96

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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.