Home / 161,531.55-242,297.26-43,199.81

Finding the Fourth Proportional to 161,531.55, 242,297.26 and 43,199.81

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Solution

The fourth proportional to 161,531.55, 242,297.26 and 43,199.81 is: 64,799.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,531.55 : 242,297.26 = 43,199.81 : x
  2. Step 2: Convert to fraction form
    161,531.55/242,297.26 = 43,199.81/x
  3. Step 3: Cross multiply
    161,531.55x = 242,297.26 × 43,199.81
  4. Step 4: Simplify right side
    161,531.55x = 10,467,196,201.26
  5. Step 5: Solve for x
    x = 10,467,196,201.26/161,531.55
  6. Step 6: Final answer
    x = 64,799.70

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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.