Home / 193,063.81-266,270.07-135,892.39

Finding the Fourth Proportional to 193,063.81, 266,270.07 and 135,892.39

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Solution

The fourth proportional to 193,063.81, 266,270.07 and 135,892.39 is: 187,420.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,063.81 : 266,270.07 = 135,892.39 : x
  2. Step 2: Convert to fraction form
    193,063.81/266,270.07 = 135,892.39/x
  3. Step 3: Cross multiply
    193,063.81x = 266,270.07 × 135,892.39
  4. Step 4: Simplify right side
    193,063.81x = 36,184,076,197.77
  5. Step 5: Solve for x
    x = 36,184,076,197.77/193,063.81
  6. Step 6: Final answer
    x = 187,420.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.