Home / 206,221.37-284,585.10-115,577.30

Finding the Fourth Proportional to 206,221.37, 284,585.10 and 115,577.30

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Solution

The fourth proportional to 206,221.37, 284,585.10 and 115,577.30 is: 159,496.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,221.37 : 284,585.10 = 115,577.30 : x
  2. Step 2: Convert to fraction form
    206,221.37/284,585.10 = 115,577.30/x
  3. Step 3: Cross multiply
    206,221.37x = 284,585.10 × 115,577.30
  4. Step 4: Simplify right side
    206,221.37x = 32,891,578,189.69
  5. Step 5: Solve for x
    x = 32,891,578,189.69/206,221.37
  6. Step 6: Final answer
    x = 159,496.46

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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.