Home / 188,815.44-260,432.60-124,264.12

Finding the Fourth Proportional to 188,815.44, 260,432.60 and 124,264.12

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Solution

The fourth proportional to 188,815.44, 260,432.60 and 124,264.12 is: 171,397.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,815.44 : 260,432.60 = 124,264.12 : x
  2. Step 2: Convert to fraction form
    188,815.44/260,432.60 = 124,264.12/x
  3. Step 3: Cross multiply
    188,815.44x = 260,432.60 × 124,264.12
  4. Step 4: Simplify right side
    188,815.44x = 32,362,427,858.31
  5. Step 5: Solve for x
    x = 32,362,427,858.31/188,815.44
  6. Step 6: Final answer
    x = 171,397.15

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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.