Home / 166,555.09-249,721.66-91,710.48

Finding the Fourth Proportional to 166,555.09, 249,721.66 and 91,710.48

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Solution

The fourth proportional to 166,555.09, 249,721.66 and 91,710.48 is: 137,504.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,555.09 : 249,721.66 = 91,710.48 : x
  2. Step 2: Convert to fraction form
    166,555.09/249,721.66 = 91,710.48/x
  3. Step 3: Cross multiply
    166,555.09x = 249,721.66 × 91,710.48
  4. Step 4: Simplify right side
    166,555.09x = 22,902,093,305.00
  5. Step 5: Solve for x
    x = 22,902,093,305.00/166,555.09
  6. Step 6: Final answer
    x = 137,504.61

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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.