Home / 211,261.92-291,541.68-115,768.85

Finding the Fourth Proportional to 211,261.92, 291,541.68 and 115,768.85

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Solution

The fourth proportional to 211,261.92, 291,541.68 and 115,768.85 is: 159,761.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,261.92 : 291,541.68 = 115,768.85 : x
  2. Step 2: Convert to fraction form
    211,261.92/291,541.68 = 115,768.85/x
  3. Step 3: Cross multiply
    211,261.92x = 291,541.68 × 115,768.85
  4. Step 4: Simplify right side
    211,261.92x = 33,751,443,562.96
  5. Step 5: Solve for x
    x = 33,751,443,562.96/211,261.92
  6. Step 6: Final answer
    x = 159,761.13

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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.