Home / 136,522.13-188,401.47-76,096.66

Finding the Fourth Proportional to 136,522.13, 188,401.47 and 76,096.66

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Solution

The fourth proportional to 136,522.13, 188,401.47 and 76,096.66 is: 105,013.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,522.13 : 188,401.47 = 76,096.66 : x
  2. Step 2: Convert to fraction form
    136,522.13/188,401.47 = 76,096.66/x
  3. Step 3: Cross multiply
    136,522.13x = 188,401.47 × 76,096.66
  4. Step 4: Simplify right side
    136,522.13x = 14,336,722,606.09
  5. Step 5: Solve for x
    x = 14,336,722,606.09/136,522.13
  6. Step 6: Final answer
    x = 105,013.91

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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.