Home / 188,843.13-260,603.33-103,960.26

Finding the Fourth Proportional to 188,843.13, 260,603.33 and 103,960.26

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Solution

The fourth proportional to 188,843.13, 260,603.33 and 103,960.26 is: 143,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,843.13 : 260,603.33 = 103,960.26 : x
  2. Step 2: Convert to fraction form
    188,843.13/260,603.33 = 103,960.26/x
  3. Step 3: Cross multiply
    188,843.13x = 260,603.33 × 103,960.26
  4. Step 4: Simplify right side
    188,843.13x = 27,092,389,423.86
  5. Step 5: Solve for x
    x = 27,092,389,423.86/188,843.13
  6. Step 6: Final answer
    x = 143,465.05

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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.