Home / 188,776.35-260,516.59-102,736.12

Finding the Fourth Proportional to 188,776.35, 260,516.59 and 102,736.12

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Solution

The fourth proportional to 188,776.35, 260,516.59 and 102,736.12 is: 141,778.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,776.35 : 260,516.59 = 102,736.12 : x
  2. Step 2: Convert to fraction form
    188,776.35/260,516.59 = 102,736.12/x
  3. Step 3: Cross multiply
    188,776.35x = 260,516.59 × 102,736.12
  4. Step 4: Simplify right side
    188,776.35x = 26,764,463,652.23
  5. Step 5: Solve for x
    x = 26,764,463,652.23/188,776.35
  6. Step 6: Final answer
    x = 141,778.69

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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.