Home / 211,191.67-291,445.54-115,698.41

Finding the Fourth Proportional to 211,191.67, 291,445.54 and 115,698.41

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Solution

The fourth proportional to 211,191.67, 291,445.54 and 115,698.41 is: 159,664.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,191.67 : 291,445.54 = 115,698.41 : x
  2. Step 2: Convert to fraction form
    211,191.67/291,445.54 = 115,698.41/x
  3. Step 3: Cross multiply
    211,191.67x = 291,445.54 × 115,698.41
  4. Step 4: Simplify right side
    211,191.67x = 33,719,785,576.84
  5. Step 5: Solve for x
    x = 33,719,785,576.84/211,191.67
  6. Step 6: Final answer
    x = 159,664.37

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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.