Home / 107,908.10-161,900.55-104,068.10

Finding the Fourth Proportional to 107,908.10, 161,900.55 and 104,068.10

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Solution

The fourth proportional to 107,908.10, 161,900.55 and 104,068.10 is: 156,139.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,908.10 : 161,900.55 = 104,068.10 : x
  2. Step 2: Convert to fraction form
    107,908.10/161,900.55 = 104,068.10/x
  3. Step 3: Cross multiply
    107,908.10x = 161,900.55 × 104,068.10
  4. Step 4: Simplify right side
    107,908.10x = 16,848,682,627.46
  5. Step 5: Solve for x
    x = 16,848,682,627.46/107,908.10
  6. Step 6: Final answer
    x = 156,139.18

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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.