Home / 107,949.70-161,924.55-105,876.10

Finding the Fourth Proportional to 107,949.70, 161,924.55 and 105,876.10

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Solution

The fourth proportional to 107,949.70, 161,924.55 and 105,876.10 is: 158,814.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,949.70 : 161,924.55 = 105,876.10 : x
  2. Step 2: Convert to fraction form
    107,949.70/161,924.55 = 105,876.10/x
  3. Step 3: Cross multiply
    107,949.70x = 161,924.55 × 105,876.10
  4. Step 4: Simplify right side
    107,949.70x = 17,143,939,848.26
  5. Step 5: Solve for x
    x = 17,143,939,848.26/107,949.70
  6. Step 6: Final answer
    x = 158,814.15

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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.