Home / 188,464.33-260,077.85-103,579.57

Finding the Fourth Proportional to 188,464.33, 260,077.85 and 103,579.57

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Solution

The fourth proportional to 188,464.33, 260,077.85 and 103,579.57 is: 142,938.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,464.33 : 260,077.85 = 103,579.57 : x
  2. Step 2: Convert to fraction form
    188,464.33/260,077.85 = 103,579.57/x
  3. Step 3: Cross multiply
    188,464.33x = 260,077.85 × 103,579.57
  4. Step 4: Simplify right side
    188,464.33x = 26,938,751,869.52
  5. Step 5: Solve for x
    x = 26,938,751,869.52/188,464.33
  6. Step 6: Final answer
    x = 142,938.20

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1.5x scale

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.