Home / 133,242.37-199,967.20-92,999.92

Finding the Fourth Proportional to 133,242.37, 199,967.20 and 92,999.92

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Solution

The fourth proportional to 133,242.37, 199,967.20 and 92,999.92 is: 139,572.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,242.37 : 199,967.20 = 92,999.92 : x
  2. Step 2: Convert to fraction form
    133,242.37/199,967.20 = 92,999.92/x
  3. Step 3: Cross multiply
    133,242.37x = 199,967.20 × 92,999.92
  4. Step 4: Simplify right side
    133,242.37x = 18,596,933,602.62
  5. Step 5: Solve for x
    x = 18,596,933,602.62/133,242.37
  6. Step 6: Final answer
    x = 139,572.22

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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.