Home / 188,300.52-259,867.44-103,418.46

Finding the Fourth Proportional to 188,300.52, 259,867.44 and 103,418.46

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Solution

The fourth proportional to 188,300.52, 259,867.44 and 103,418.46 is: 142,724.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,300.52 : 259,867.44 = 103,418.46 : x
  2. Step 2: Convert to fraction form
    188,300.52/259,867.44 = 103,418.46/x
  3. Step 3: Cross multiply
    188,300.52x = 259,867.44 × 103,418.46
  4. Step 4: Simplify right side
    188,300.52x = 26,875,090,448.94
  5. Step 5: Solve for x
    x = 26,875,090,448.94/188,300.52
  6. Step 6: Final answer
    x = 142,724.46

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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.