Home / 115,098.07-158,843.31-69,777.94

Finding the Fourth Proportional to 115,098.07, 158,843.31 and 69,777.94

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Solution

The fourth proportional to 115,098.07, 158,843.31 and 69,777.94 is: 96,298.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,098.07 : 158,843.31 = 69,777.94 : x
  2. Step 2: Convert to fraction form
    115,098.07/158,843.31 = 69,777.94/x
  3. Step 3: Cross multiply
    115,098.07x = 158,843.31 × 69,777.94
  4. Step 4: Simplify right side
    115,098.07x = 11,083,758,954.58
  5. Step 5: Solve for x
    x = 11,083,758,954.58/115,098.07
  6. Step 6: Final answer
    x = 96,298.39

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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.