Home / 106,731.05-160,096.56-40,186.10

Finding the Fourth Proportional to 106,731.05, 160,096.56 and 40,186.10

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Solution

The fourth proportional to 106,731.05, 160,096.56 and 40,186.10 is: 60,279.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,731.05 : 160,096.56 = 40,186.10 : x
  2. Step 2: Convert to fraction form
    106,731.05/160,096.56 = 40,186.10/x
  3. Step 3: Cross multiply
    106,731.05x = 160,096.56 × 40,186.10
  4. Step 4: Simplify right side
    106,731.05x = 6,433,655,569.33
  5. Step 5: Solve for x
    x = 6,433,655,569.33/106,731.05
  6. Step 6: Final answer
    x = 60,279.14

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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.