Home / 211,236.35-291,506.31-125,237.77

Finding the Fourth Proportional to 211,236.35, 291,506.31 and 125,237.77

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Solution

The fourth proportional to 211,236.35, 291,506.31 and 125,237.77 is: 172,828.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,236.35 : 291,506.31 = 125,237.77 : x
  2. Step 2: Convert to fraction form
    211,236.35/291,506.31 = 125,237.77/x
  3. Step 3: Cross multiply
    211,236.35x = 291,506.31 × 125,237.77
  4. Step 4: Simplify right side
    211,236.35x = 36,507,599,476.56
  5. Step 5: Solve for x
    x = 36,507,599,476.56/211,236.35
  6. Step 6: Final answer
    x = 172,828.21

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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.