Home / 177,632.49-266,638.43-76,480.61

Finding the Fourth Proportional to 177,632.49, 266,638.43 and 76,480.61

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Solution

The fourth proportional to 177,632.49, 266,638.43 and 76,480.61 is: 114,802.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,632.49 : 266,638.43 = 76,480.61 : x
  2. Step 2: Convert to fraction form
    177,632.49/266,638.43 = 76,480.61/x
  3. Step 3: Cross multiply
    177,632.49x = 266,638.43 × 76,480.61
  4. Step 4: Simplify right side
    177,632.49x = 20,392,668,633.85
  5. Step 5: Solve for x
    x = 20,392,668,633.85/177,632.49
  6. Step 6: Final answer
    x = 114,802.58

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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.