Home / 161,684.40-223,131.33-90,064.44

Finding the Fourth Proportional to 161,684.40, 223,131.33 and 90,064.44

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Solution

The fourth proportional to 161,684.40, 223,131.33 and 90,064.44 is: 124,292.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,684.40 : 223,131.33 = 90,064.44 : x
  2. Step 2: Convert to fraction form
    161,684.40/223,131.33 = 90,064.44/x
  3. Step 3: Cross multiply
    161,684.40x = 223,131.33 × 90,064.44
  4. Step 4: Simplify right side
    161,684.40x = 20,096,198,282.91
  5. Step 5: Solve for x
    x = 20,096,198,282.91/161,684.40
  6. Step 6: Final answer
    x = 124,292.75

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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.