Home / 133,649.41-184,436.12-79,934.42

Finding the Fourth Proportional to 133,649.41, 184,436.12 and 79,934.42

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Solution

The fourth proportional to 133,649.41, 184,436.12 and 79,934.42 is: 110,309.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,649.41 : 184,436.12 = 79,934.42 : x
  2. Step 2: Convert to fraction form
    133,649.41/184,436.12 = 79,934.42/x
  3. Step 3: Cross multiply
    133,649.41x = 184,436.12 × 79,934.42
  4. Step 4: Simplify right side
    133,649.41x = 14,742,793,879.58
  5. Step 5: Solve for x
    x = 14,742,793,879.58/133,649.41
  6. Step 6: Final answer
    x = 110,309.46

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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.