Home / 147,134.26-203,018.16-89,760.34

Finding the Fourth Proportional to 147,134.26, 203,018.16 and 89,760.34

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Solution

The fourth proportional to 147,134.26, 203,018.16 and 89,760.34 is: 123,852.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,134.26 : 203,018.16 = 89,760.34 : x
  2. Step 2: Convert to fraction form
    147,134.26/203,018.16 = 89,760.34/x
  3. Step 3: Cross multiply
    147,134.26x = 203,018.16 × 89,760.34
  4. Step 4: Simplify right side
    147,134.26x = 18,222,979,067.77
  5. Step 5: Solve for x
    x = 18,222,979,067.77/147,134.26
  6. Step 6: Final answer
    x = 123,852.73

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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.