Home / 188,642.54-260,235.23-112,107.46

Finding the Fourth Proportional to 188,642.54, 260,235.23 and 112,107.46

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Solution

The fourth proportional to 188,642.54, 260,235.23 and 112,107.46 is: 154,653.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,642.54 : 260,235.23 = 112,107.46 : x
  2. Step 2: Convert to fraction form
    188,642.54/260,235.23 = 112,107.46/x
  3. Step 3: Cross multiply
    188,642.54x = 260,235.23 × 112,107.46
  4. Step 4: Simplify right side
    188,642.54x = 29,174,310,545.24
  5. Step 5: Solve for x
    x = 29,174,310,545.24/188,642.54
  6. Step 6: Final answer
    x = 154,653.93

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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.