Home / 161,686.19-223,129.27-92,786.88

Finding the Fourth Proportional to 161,686.19, 223,129.27 and 92,786.88

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Solution

The fourth proportional to 161,686.19, 223,129.27 and 92,786.88 is: 128,047.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,686.19 : 223,129.27 = 92,786.88 : x
  2. Step 2: Convert to fraction form
    161,686.19/223,129.27 = 92,786.88/x
  3. Step 3: Cross multiply
    161,686.19x = 223,129.27 × 92,786.88
  4. Step 4: Simplify right side
    161,686.19x = 20,703,469,230.77
  5. Step 5: Solve for x
    x = 20,703,469,230.77/161,686.19
  6. Step 6: Final answer
    x = 128,047.23

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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.