Home / 188,187.16-282,336.19-75,809.55

Finding the Fourth Proportional to 188,187.16, 282,336.19 and 75,809.55

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Solution

The fourth proportional to 188,187.16, 282,336.19 and 75,809.55 is: 113,736.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,187.16 : 282,336.19 = 75,809.55 : x
  2. Step 2: Convert to fraction form
    188,187.16/282,336.19 = 75,809.55/x
  3. Step 3: Cross multiply
    188,187.16x = 282,336.19 × 75,809.55
  4. Step 4: Simplify right side
    188,187.16x = 21,403,777,816.65
  5. Step 5: Solve for x
    x = 21,403,777,816.65/188,187.16
  6. Step 6: Final answer
    x = 113,736.66

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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.