Home / 259,061.54-388,699.86-124,057.58

Finding the Fourth Proportional to 259,061.54, 388,699.86 and 124,057.58

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Solution

The fourth proportional to 259,061.54, 388,699.86 and 124,057.58 is: 186,137.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,061.54 : 388,699.86 = 124,057.58 : x
  2. Step 2: Convert to fraction form
    259,061.54/388,699.86 = 124,057.58/x
  3. Step 3: Cross multiply
    259,061.54x = 388,699.86 × 124,057.58
  4. Step 4: Simplify right side
    259,061.54x = 48,221,163,977.94
  5. Step 5: Solve for x
    x = 48,221,163,977.94/259,061.54
  6. Step 6: Final answer
    x = 186,137.87

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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.