Home / 161,786.79-223,201.04-98,101.35

Finding the Fourth Proportional to 161,786.79, 223,201.04 and 98,101.35

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Solution

The fourth proportional to 161,786.79, 223,201.04 and 98,101.35 is: 135,340.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,786.79 : 223,201.04 = 98,101.35 : x
  2. Step 2: Convert to fraction form
    161,786.79/223,201.04 = 98,101.35/x
  3. Step 3: Cross multiply
    161,786.79x = 223,201.04 × 98,101.35
  4. Step 4: Simplify right side
    161,786.79x = 21,896,322,854.90
  5. Step 5: Solve for x
    x = 21,896,322,854.90/161,786.79
  6. Step 6: Final answer
    x = 135,340.61

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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.