Home / 188,100.27-282,149.43-66,610.93

Finding the Fourth Proportional to 188,100.27, 282,149.43 and 66,610.93

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Solution

The fourth proportional to 188,100.27, 282,149.43 and 66,610.93 is: 99,916.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,100.27 : 282,149.43 = 66,610.93 : x
  2. Step 2: Convert to fraction form
    188,100.27/282,149.43 = 66,610.93/x
  3. Step 3: Cross multiply
    188,100.27x = 282,149.43 × 66,610.93
  4. Step 4: Simplify right side
    188,100.27x = 18,794,235,931.27
  5. Step 5: Solve for x
    x = 18,794,235,931.27/188,100.27
  6. Step 6: Final answer
    x = 99,916.05

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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.