Home / 162,198.55-223,834.53-90,581.23

Finding the Fourth Proportional to 162,198.55, 223,834.53 and 90,581.23

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Solution

The fourth proportional to 162,198.55, 223,834.53 and 90,581.23 is: 125,002.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,198.55 : 223,834.53 = 90,581.23 : x
  2. Step 2: Convert to fraction form
    162,198.55/223,834.53 = 90,581.23/x
  3. Step 3: Cross multiply
    162,198.55x = 223,834.53 × 90,581.23
  4. Step 4: Simplify right side
    162,198.55x = 20,275,207,043.87
  5. Step 5: Solve for x
    x = 20,275,207,043.87/162,198.55
  6. Step 6: Final answer
    x = 125,002.39

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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.