Home / 164,825.16-247,065.36-76,136.82

Finding the Fourth Proportional to 164,825.16, 247,065.36 and 76,136.82

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Solution

The fourth proportional to 164,825.16, 247,065.36 and 76,136.82 is: 114,125.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,825.16 : 247,065.36 = 76,136.82 : x
  2. Step 2: Convert to fraction form
    164,825.16/247,065.36 = 76,136.82/x
  3. Step 3: Cross multiply
    164,825.16x = 247,065.36 × 76,136.82
  4. Step 4: Simplify right side
    164,825.16x = 18,810,770,842.56
  5. Step 5: Solve for x
    x = 18,810,770,842.56/164,825.16
  6. Step 6: Final answer
    x = 114,125.60

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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.