Home / 161,656.20-223,092.45-90,036.24

Finding the Fourth Proportional to 161,656.20, 223,092.45 and 90,036.24

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Solution

The fourth proportional to 161,656.20, 223,092.45 and 90,036.24 is: 124,253.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,656.20 : 223,092.45 = 90,036.24 : x
  2. Step 2: Convert to fraction form
    161,656.20/223,092.45 = 90,036.24/x
  3. Step 3: Cross multiply
    161,656.20x = 223,092.45 × 90,036.24
  4. Step 4: Simplify right side
    161,656.20x = 20,086,405,370.39
  5. Step 5: Solve for x
    x = 20,086,405,370.39/161,656.20
  6. Step 6: Final answer
    x = 124,253.85

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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.