Home / 223,177.75-334,779.29-71,388.16

Finding the Fourth Proportional to 223,177.75, 334,779.29 and 71,388.16

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Solution

The fourth proportional to 223,177.75, 334,779.29 and 71,388.16 is: 107,086.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,177.75 : 334,779.29 = 71,388.16 : x
  2. Step 2: Convert to fraction form
    223,177.75/334,779.29 = 71,388.16/x
  3. Step 3: Cross multiply
    223,177.75x = 334,779.29 × 71,388.16
  4. Step 4: Simplify right side
    223,177.75x = 23,899,278,476.16
  5. Step 5: Solve for x
    x = 23,899,278,476.16/223,177.75
  6. Step 6: Final answer
    x = 107,086.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.