Home / 188,931.98-260,724.40-104,047.22

Finding the Fourth Proportional to 188,931.98, 260,724.40 and 104,047.22

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Solution

The fourth proportional to 188,931.98, 260,724.40 and 104,047.22 is: 143,584.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,931.98 : 260,724.40 = 104,047.22 : x
  2. Step 2: Convert to fraction form
    188,931.98/260,724.40 = 104,047.22/x
  3. Step 3: Cross multiply
    188,931.98x = 260,724.40 × 104,047.22
  4. Step 4: Simplify right side
    188,931.98x = 27,127,647,442.43
  5. Step 5: Solve for x
    x = 27,127,647,442.43/188,931.98
  6. Step 6: Final answer
    x = 143,584.21

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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.