Home / 188,767.13-260,439.98-107,081.93

Finding the Fourth Proportional to 188,767.13, 260,439.98 and 107,081.93

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Solution

The fourth proportional to 188,767.13, 260,439.98 and 107,081.93 is: 147,739.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,767.13 : 260,439.98 = 107,081.93 : x
  2. Step 2: Convert to fraction form
    188,767.13/260,439.98 = 107,081.93/x
  3. Step 3: Cross multiply
    188,767.13x = 260,439.98 × 107,081.93
  4. Step 4: Simplify right side
    188,767.13x = 27,888,415,823.25
  5. Step 5: Solve for x
    x = 27,888,415,823.25/188,767.13
  6. Step 6: Final answer
    x = 147,739.79

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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.