Home / 188,923.83-260,716.65-104,041.50

Finding the Fourth Proportional to 188,923.83, 260,716.65 and 104,041.50

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Solution

The fourth proportional to 188,923.83, 260,716.65 and 104,041.50 is: 143,578.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,923.83 : 260,716.65 = 104,041.50 : x
  2. Step 2: Convert to fraction form
    188,923.83/260,716.65 = 104,041.50/x
  3. Step 3: Cross multiply
    188,923.83x = 260,716.65 × 104,041.50
  4. Step 4: Simplify right side
    188,923.83x = 27,125,351,340.98
  5. Step 5: Solve for x
    x = 27,125,351,340.98/188,923.83
  6. Step 6: Final answer
    x = 143,578.24

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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.