Home / 188,617.52-260,347.38-112,190.42

Finding the Fourth Proportional to 188,617.52, 260,347.38 and 112,190.42

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Solution

The fourth proportional to 188,617.52, 260,347.38 and 112,190.42 is: 154,855.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,617.52 : 260,347.38 = 112,190.42 : x
  2. Step 2: Convert to fraction form
    188,617.52/260,347.38 = 112,190.42/x
  3. Step 3: Cross multiply
    188,617.52x = 260,347.38 × 112,190.42
  4. Step 4: Simplify right side
    188,617.52x = 29,208,481,908.10
  5. Step 5: Solve for x
    x = 29,208,481,908.10/188,617.52
  6. Step 6: Final answer
    x = 154,855.61

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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.