Home / 188,790.56-260,521.08-103,891.24

Finding the Fourth Proportional to 188,790.56, 260,521.08 and 103,891.24

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Solution

The fourth proportional to 188,790.56, 260,521.08 and 103,891.24 is: 143,364.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,790.56 : 260,521.08 = 103,891.24 : x
  2. Step 2: Convert to fraction form
    188,790.56/260,521.08 = 103,891.24/x
  3. Step 3: Cross multiply
    188,790.56x = 260,521.08 × 103,891.24
  4. Step 4: Simplify right side
    188,790.56x = 27,065,858,047.34
  5. Step 5: Solve for x
    x = 27,065,858,047.34/188,790.56
  6. Step 6: Final answer
    x = 143,364.47

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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.