Home / 162,156.12-223,773.40-90,536.73

Finding the Fourth Proportional to 162,156.12, 223,773.40 and 90,536.73

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Solution

The fourth proportional to 162,156.12, 223,773.40 and 90,536.73 is: 124,939.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,156.12 : 223,773.40 = 90,536.73 : x
  2. Step 2: Convert to fraction form
    162,156.12/223,773.40 = 90,536.73/x
  3. Step 3: Cross multiply
    162,156.12x = 223,773.40 × 90,536.73
  4. Step 4: Simplify right side
    162,156.12x = 20,259,711,896.98
  5. Step 5: Solve for x
    x = 20,259,711,896.98/162,156.12
  6. Step 6: Final answer
    x = 124,939.55

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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.