Home / 188,472.18-260,093.62-102,431.16

Finding the Fourth Proportional to 188,472.18, 260,093.62 and 102,431.16

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Solution

The fourth proportional to 188,472.18, 260,093.62 and 102,431.16 is: 141,356.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,472.18 : 260,093.62 = 102,431.16 : x
  2. Step 2: Convert to fraction form
    188,472.18/260,093.62 = 102,431.16/x
  3. Step 3: Cross multiply
    188,472.18x = 260,093.62 × 102,431.16
  4. Step 4: Simplify right side
    188,472.18x = 26,641,691,205.20
  5. Step 5: Solve for x
    x = 26,641,691,205.20/188,472.18
  6. Step 6: Final answer
    x = 141,356.09

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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.