Home / 211,191.96-291,452.20-115,698.64

Finding the Fourth Proportional to 211,191.96, 291,452.20 and 115,698.64

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Solution

The fourth proportional to 211,191.96, 291,452.20 and 115,698.64 is: 159,668.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,191.96 : 291,452.20 = 115,698.64 : x
  2. Step 2: Convert to fraction form
    211,191.96/291,452.20 = 115,698.64/x
  3. Step 3: Cross multiply
    211,191.96x = 291,452.20 × 115,698.64
  4. Step 4: Simplify right side
    211,191.96x = 33,720,623,165.01
  5. Step 5: Solve for x
    x = 33,720,623,165.01/211,191.96
  6. Step 6: Final answer
    x = 159,668.12

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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.