Home / 188,077.62-259,551.89-103,194.66

Finding the Fourth Proportional to 188,077.62, 259,551.89 and 103,194.66

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Solution

The fourth proportional to 188,077.62, 259,551.89 and 103,194.66 is: 142,411.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,077.62 : 259,551.89 = 103,194.66 : x
  2. Step 2: Convert to fraction form
    188,077.62/259,551.89 = 103,194.66/x
  3. Step 3: Cross multiply
    188,077.62x = 259,551.89 × 103,194.66
  4. Step 4: Simplify right side
    188,077.62x = 26,784,369,040.91
  5. Step 5: Solve for x
    x = 26,784,369,040.91/188,077.62
  6. Step 6: Final answer
    x = 142,411.25

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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.