Home / 133,039.90-199,559.85-127,791.10

Finding the Fourth Proportional to 133,039.90, 199,559.85 and 127,791.10

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Solution

The fourth proportional to 133,039.90, 199,559.85 and 127,791.10 is: 191,686.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,039.90 : 199,559.85 = 127,791.10 : x
  2. Step 2: Convert to fraction form
    133,039.90/199,559.85 = 127,791.10/x
  3. Step 3: Cross multiply
    133,039.90x = 199,559.85 × 127,791.10
  4. Step 4: Simplify right side
    133,039.90x = 25,501,972,747.34
  5. Step 5: Solve for x
    x = 25,501,972,747.34/133,039.90
  6. Step 6: Final answer
    x = 191,686.65

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1.5x scale

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.