Home / 162,265.15-223,939.38-89,682.21

Finding the Fourth Proportional to 162,265.15, 223,939.38 and 89,682.21

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Solution

The fourth proportional to 162,265.15, 223,939.38 and 89,682.21 is: 123,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,265.15 : 223,939.38 = 89,682.21 : x
  2. Step 2: Convert to fraction form
    162,265.15/223,939.38 = 89,682.21/x
  3. Step 3: Cross multiply
    162,265.15x = 223,939.38 × 89,682.21
  4. Step 4: Simplify right side
    162,265.15x = 20,083,378,504.43
  5. Step 5: Solve for x
    x = 20,083,378,504.43/162,265.15
  6. Step 6: Final answer
    x = 123,768.90

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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.