Home / 211,206.26-291,231.15-134,604.11

Finding the Fourth Proportional to 211,206.26, 291,231.15 and 134,604.11

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Solution

The fourth proportional to 211,206.26, 291,231.15 and 134,604.11 is: 185,604.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,206.26 : 291,231.15 = 134,604.11 : x
  2. Step 2: Convert to fraction form
    211,206.26/291,231.15 = 134,604.11/x
  3. Step 3: Cross multiply
    211,206.26x = 291,231.15 × 134,604.11
  4. Step 4: Simplify right side
    211,206.26x = 39,200,909,750.03
  5. Step 5: Solve for x
    x = 39,200,909,750.03/211,206.26
  6. Step 6: Final answer
    x = 185,604.87

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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.