Home / 211,335.35-291,633.62-126,499.19

Finding the Fourth Proportional to 211,335.35, 291,633.62 and 126,499.19

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Solution

The fourth proportional to 211,335.35, 291,633.62 and 126,499.19 is: 174,563.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,335.35 : 291,633.62 = 126,499.19 : x
  2. Step 2: Convert to fraction form
    211,335.35/291,633.62 = 126,499.19/x
  3. Step 3: Cross multiply
    211,335.35x = 291,633.62 × 126,499.19
  4. Step 4: Simplify right side
    211,335.35x = 36,891,414,616.10
  5. Step 5: Solve for x
    x = 36,891,414,616.10/211,335.35
  6. Step 6: Final answer
    x = 174,563.39

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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.