Home / 133,769.25-200,632-40,253.13

Finding the Fourth Proportional to 133,769.25, 200,632 and 40,253.13

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Solution

The fourth proportional to 133,769.25, 200,632 and 40,253.13 is: 60,373.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,769.25 : 200,632 = 40,253.13 : x
  2. Step 2: Convert to fraction form
    133,769.25/200,632 = 40,253.13/x
  3. Step 3: Cross multiply
    133,769.25x = 200,632 × 40,253.13
  4. Step 4: Simplify right side
    133,769.25x = 8,076,065,978.16
  5. Step 5: Solve for x
    x = 8,076,065,978.16/133,769.25
  6. Step 6: Final answer
    x = 60,373.11

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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.