Home / 165,063.88-227,790.66-89,612.38

Finding the Fourth Proportional to 165,063.88, 227,790.66 and 89,612.38

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Solution

The fourth proportional to 165,063.88, 227,790.66 and 89,612.38 is: 123,666.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,063.88 : 227,790.66 = 89,612.38 : x
  2. Step 2: Convert to fraction form
    165,063.88/227,790.66 = 89,612.38/x
  3. Step 3: Cross multiply
    165,063.88x = 227,790.66 × 89,612.38
  4. Step 4: Simplify right side
    165,063.88x = 20,412,863,184.37
  5. Step 5: Solve for x
    x = 20,412,863,184.37/165,063.88
  6. Step 6: Final answer
    x = 123,666.44

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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.