Home / 161,884.55-223,390.23-90,260.30

Finding the Fourth Proportional to 161,884.55, 223,390.23 and 90,260.30

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Solution

The fourth proportional to 161,884.55, 223,390.23 and 90,260.30 is: 124,553.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,884.55 : 223,390.23 = 90,260.30 : x
  2. Step 2: Convert to fraction form
    161,884.55/223,390.23 = 90,260.30/x
  3. Step 3: Cross multiply
    161,884.55x = 223,390.23 × 90,260.30
  4. Step 4: Simplify right side
    161,884.55x = 20,163,269,176.87
  5. Step 5: Solve for x
    x = 20,163,269,176.87/161,884.55
  6. Step 6: Final answer
    x = 124,553.39

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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.