Home / 161,735.27-223,184.97-90,102.51

Finding the Fourth Proportional to 161,735.27, 223,184.97 and 90,102.51

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Solution

The fourth proportional to 161,735.27, 223,184.97 and 90,102.51 is: 124,336.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,735.27 : 223,184.97 = 90,102.51 : x
  2. Step 2: Convert to fraction form
    161,735.27/223,184.97 = 90,102.51/x
  3. Step 3: Cross multiply
    161,735.27x = 223,184.97 × 90,102.51
  4. Step 4: Simplify right side
    161,735.27x = 20,109,525,991.27
  5. Step 5: Solve for x
    x = 20,109,525,991.27/161,735.27
  6. Step 6: Final answer
    x = 124,336.06

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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.