Home / 188,257.28-259,803.52-112,804.16

Finding the Fourth Proportional to 188,257.28, 259,803.52 and 112,804.16

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Solution

The fourth proportional to 188,257.28, 259,803.52 and 112,804.16 is: 155,674.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,257.28 : 259,803.52 = 112,804.16 : x
  2. Step 2: Convert to fraction form
    188,257.28/259,803.52 = 112,804.16/x
  3. Step 3: Cross multiply
    188,257.28x = 259,803.52 × 112,804.16
  4. Step 4: Simplify right side
    188,257.28x = 29,306,917,838.64
  5. Step 5: Solve for x
    x = 29,306,917,838.64/188,257.28
  6. Step 6: Final answer
    x = 155,674.82

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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.