Home / 188,734.25-260,455.09-103,853.14

Finding the Fourth Proportional to 188,734.25, 260,455.09 and 103,853.14

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Solution

The fourth proportional to 188,734.25, 260,455.09 and 103,853.14 is: 143,318.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,734.25 : 260,455.09 = 103,853.14 : x
  2. Step 2: Convert to fraction form
    188,734.25/260,455.09 = 103,853.14/x
  3. Step 3: Cross multiply
    188,734.25x = 260,455.09 × 103,853.14
  4. Step 4: Simplify right side
    188,734.25x = 27,049,078,925.48
  5. Step 5: Solve for x
    x = 27,049,078,925.48/188,734.25
  6. Step 6: Final answer
    x = 143,318.34

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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.