Home / 188,508.08-260,144.70-103,625.12

Finding the Fourth Proportional to 188,508.08, 260,144.70 and 103,625.12

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Solution

The fourth proportional to 188,508.08, 260,144.70 and 103,625.12 is: 143,004.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,508.08 : 260,144.70 = 103,625.12 : x
  2. Step 2: Convert to fraction form
    188,508.08/260,144.70 = 103,625.12/x
  3. Step 3: Cross multiply
    188,508.08x = 260,144.70 × 103,625.12
  4. Step 4: Simplify right side
    188,508.08x = 26,957,525,754.86
  5. Step 5: Solve for x
    x = 26,957,525,754.86/188,508.08
  6. Step 6: Final answer
    x = 143,004.62

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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.