Home / 211,155.70-291,394.38-114,359.26

Finding the Fourth Proportional to 211,155.70, 291,394.38 and 114,359.26

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Solution

The fourth proportional to 211,155.70, 291,394.38 and 114,359.26 is: 157,815.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,155.70 : 291,394.38 = 114,359.26 : x
  2. Step 2: Convert to fraction form
    211,155.70/291,394.38 = 114,359.26/x
  3. Step 3: Cross multiply
    211,155.70x = 291,394.38 × 114,359.26
  4. Step 4: Simplify right side
    211,155.70x = 33,323,645,664.96
  5. Step 5: Solve for x
    x = 33,323,645,664.96/211,155.70
  6. Step 6: Final answer
    x = 157,815.52

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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.