Home / 167,320.56-230,903.16-91,869

Finding the Fourth Proportional to 167,320.56, 230,903.16 and 91,869

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Solution

The fourth proportional to 167,320.56, 230,903.16 and 91,869 is: 126,779.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,320.56 : 230,903.16 = 91,869 : x
  2. Step 2: Convert to fraction form
    167,320.56/230,903.16 = 91,869/x
  3. Step 3: Cross multiply
    167,320.56x = 230,903.16 × 91,869
  4. Step 4: Simplify right side
    167,320.56x = 21,212,842,406.04
  5. Step 5: Solve for x
    x = 21,212,842,406.04/167,320.56
  6. Step 6: Final answer
    x = 126,779.65

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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.