Home / 161,810.52-223,299.62-90,195.04

Finding the Fourth Proportional to 161,810.52, 223,299.62 and 90,195.04

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Solution

The fourth proportional to 161,810.52, 223,299.62 and 90,195.04 is: 124,469.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,810.52 : 223,299.62 = 90,195.04 : x
  2. Step 2: Convert to fraction form
    161,810.52/223,299.62 = 90,195.04/x
  3. Step 3: Cross multiply
    161,810.52x = 223,299.62 × 90,195.04
  4. Step 4: Simplify right side
    161,810.52x = 20,140,518,157.88
  5. Step 5: Solve for x
    x = 20,140,518,157.88/161,810.52
  6. Step 6: Final answer
    x = 124,469.77

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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.