Home / 136,368.22-188,174.73-75,936.55

Finding the Fourth Proportional to 136,368.22, 188,174.73 and 75,936.55

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Solution

The fourth proportional to 136,368.22, 188,174.73 and 75,936.55 is: 104,784.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,368.22 : 188,174.73 = 75,936.55 : x
  2. Step 2: Convert to fraction form
    136,368.22/188,174.73 = 75,936.55/x
  3. Step 3: Cross multiply
    136,368.22x = 188,174.73 × 75,936.55
  4. Step 4: Simplify right side
    136,368.22x = 14,289,339,793.38
  5. Step 5: Solve for x
    x = 14,289,339,793.38/136,368.22
  6. Step 6: Final answer
    x = 104,784.97

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1.5x scale

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.