Home / 109,588.31-151,230.38-61,190.97

Finding the Fourth Proportional to 109,588.31, 151,230.38 and 61,190.97

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Solution

The fourth proportional to 109,588.31, 151,230.38 and 61,190.97 is: 84,442.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,588.31 : 151,230.38 = 61,190.97 : x
  2. Step 2: Convert to fraction form
    109,588.31/151,230.38 = 61,190.97/x
  3. Step 3: Cross multiply
    109,588.31x = 151,230.38 × 61,190.97
  4. Step 4: Simplify right side
    109,588.31x = 9,253,933,339.71
  5. Step 5: Solve for x
    x = 9,253,933,339.71/109,588.31
  6. Step 6: Final answer
    x = 84,442.71

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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.