Home / 188,095.12-259,552.36-112,641.68

Finding the Fourth Proportional to 188,095.12, 259,552.36 and 112,641.68

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Solution

The fourth proportional to 188,095.12, 259,552.36 and 112,641.68 is: 155,434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,095.12 : 259,552.36 = 112,641.68 : x
  2. Step 2: Convert to fraction form
    188,095.12/259,552.36 = 112,641.68/x
  3. Step 3: Cross multiply
    188,095.12x = 259,552.36 × 112,641.68
  4. Step 4: Simplify right side
    188,095.12x = 29,236,413,878.36
  5. Step 5: Solve for x
    x = 29,236,413,878.36/188,095.12
  6. Step 6: Final answer
    x = 155,434.20

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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.