Home / 167,779.95-231,537.39-91,299.66

Finding the Fourth Proportional to 167,779.95, 231,537.39 and 91,299.66

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Solution

The fourth proportional to 167,779.95, 231,537.39 and 91,299.66 is: 125,994.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,779.95 : 231,537.39 = 91,299.66 : x
  2. Step 2: Convert to fraction form
    167,779.95/231,537.39 = 91,299.66/x
  3. Step 3: Cross multiply
    167,779.95x = 231,537.39 × 91,299.66
  4. Step 4: Simplify right side
    167,779.95x = 21,139,284,984.29
  5. Step 5: Solve for x
    x = 21,139,284,984.29/167,779.95
  6. Step 6: Final answer
    x = 125,994.11

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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.