Home / 211,086.26-291,285.69-115,594.10

Finding the Fourth Proportional to 211,086.26, 291,285.69 and 115,594.10

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Solution

The fourth proportional to 211,086.26, 291,285.69 and 115,594.10 is: 159,512.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,086.26 : 291,285.69 = 115,594.10 : x
  2. Step 2: Convert to fraction form
    211,086.26/291,285.69 = 115,594.10/x
  3. Step 3: Cross multiply
    211,086.26x = 291,285.69 × 115,594.10
  4. Step 4: Simplify right side
    211,086.26x = 33,670,907,178.43
  5. Step 5: Solve for x
    x = 33,670,907,178.43/211,086.26
  6. Step 6: Final answer
    x = 159,512.55

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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.