Home / 161,815.46-223,268.20-97,255.22

Finding the Fourth Proportional to 161,815.46, 223,268.20 and 97,255.22

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Solution

The fourth proportional to 161,815.46, 223,268.20 and 97,255.22 is: 134,189.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,815.46 : 223,268.20 = 97,255.22 : x
  2. Step 2: Convert to fraction form
    161,815.46/223,268.20 = 97,255.22/x
  3. Step 3: Cross multiply
    161,815.46x = 223,268.20 × 97,255.22
  4. Step 4: Simplify right side
    161,815.46x = 21,713,996,550.53
  5. Step 5: Solve for x
    x = 21,713,996,550.53/161,815.46
  6. Step 6: Final answer
    x = 134,189.88

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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.