Home / 211,191.45-291,210.71-134,589.27

Finding the Fourth Proportional to 211,191.45, 291,210.71 and 134,589.27

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Solution

The fourth proportional to 211,191.45, 291,210.71 and 134,589.27 is: 185,584.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,191.45 : 291,210.71 = 134,589.27 : x
  2. Step 2: Convert to fraction form
    211,191.45/291,210.71 = 134,589.27/x
  3. Step 3: Cross multiply
    211,191.45x = 291,210.71 × 134,589.27
  4. Step 4: Simplify right side
    211,191.45x = 39,193,836,147.05
  5. Step 5: Solve for x
    x = 39,193,836,147.05/211,191.45
  6. Step 6: Final answer
    x = 185,584.39

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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.