Home / 259,007.16-388,083.06-118,455.96

Finding the Fourth Proportional to 259,007.16, 388,083.06 and 118,455.96

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Solution

The fourth proportional to 259,007.16, 388,083.06 and 118,455.96 is: 177,488.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,007.16 : 388,083.06 = 118,455.96 : x
  2. Step 2: Convert to fraction form
    259,007.16/388,083.06 = 118,455.96/x
  3. Step 3: Cross multiply
    259,007.16x = 388,083.06 × 118,455.96
  4. Step 4: Simplify right side
    259,007.16x = 45,970,751,432.04
  5. Step 5: Solve for x
    x = 45,970,751,432.04/259,007.16
  6. Step 6: Final answer
    x = 177,488.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.