Home / 166,530.75-229,812.44-91,079.25

Finding the Fourth Proportional to 166,530.75, 229,812.44 and 91,079.25

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Solution

The fourth proportional to 166,530.75, 229,812.44 and 91,079.25 is: 125,689.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,530.75 : 229,812.44 = 91,079.25 : x
  2. Step 2: Convert to fraction form
    166,530.75/229,812.44 = 91,079.25/x
  3. Step 3: Cross multiply
    166,530.75x = 229,812.44 × 91,079.25
  4. Step 4: Simplify right side
    166,530.75x = 20,931,144,220.47
  5. Step 5: Solve for x
    x = 20,931,144,220.47/166,530.75
  6. Step 6: Final answer
    x = 125,689.37

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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.