Home / 189,147.66-261,042.18-141,317.97

Finding the Fourth Proportional to 189,147.66, 261,042.18 and 141,317.97

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Solution

The fourth proportional to 189,147.66, 261,042.18 and 141,317.97 is: 195,032.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,147.66 : 261,042.18 = 141,317.97 : x
  2. Step 2: Convert to fraction form
    189,147.66/261,042.18 = 141,317.97/x
  3. Step 3: Cross multiply
    189,147.66x = 261,042.18 × 141,317.97
  4. Step 4: Simplify right side
    189,147.66x = 36,889,950,961.97
  5. Step 5: Solve for x
    x = 36,889,950,961.97/189,147.66
  6. Step 6: Final answer
    x = 195,032.55

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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.