Home / 157,858.56-217,679.04-104,074.75

Finding the Fourth Proportional to 157,858.56, 217,679.04 and 104,074.75

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Solution

The fourth proportional to 157,858.56, 217,679.04 and 104,074.75 is: 143,513.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,858.56 : 217,679.04 = 104,074.75 : x
  2. Step 2: Convert to fraction form
    157,858.56/217,679.04 = 104,074.75/x
  3. Step 3: Cross multiply
    157,858.56x = 217,679.04 × 104,074.75
  4. Step 4: Simplify right side
    157,858.56x = 22,654,891,668.24
  5. Step 5: Solve for x
    x = 22,654,891,668.24/157,858.56
  6. Step 6: Final answer
    x = 143,513.86

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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.