Home / 133,046.19-199,603.85-66,483.63

Finding the Fourth Proportional to 133,046.19, 199,603.85 and 66,483.63

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Solution

The fourth proportional to 133,046.19, 199,603.85 and 66,483.63 is: 99,742.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,046.19 : 199,603.85 = 66,483.63 : x
  2. Step 2: Convert to fraction form
    133,046.19/199,603.85 = 66,483.63/x
  3. Step 3: Cross multiply
    133,046.19x = 199,603.85 × 66,483.63
  4. Step 4: Simplify right side
    133,046.19x = 13,270,388,177.56
  5. Step 5: Solve for x
    x = 13,270,388,177.56/133,046.19
  6. Step 6: Final answer
    x = 99,742.71

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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.