Home / 161,919.78-242,857.74-43,598.22

Finding the Fourth Proportional to 161,919.78, 242,857.74 and 43,598.22

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Solution

The fourth proportional to 161,919.78, 242,857.74 and 43,598.22 is: 65,391.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,919.78 : 242,857.74 = 43,598.22 : x
  2. Step 2: Convert to fraction form
    161,919.78/242,857.74 = 43,598.22/x
  3. Step 3: Cross multiply
    161,919.78x = 242,857.74 × 43,598.22
  4. Step 4: Simplify right side
    161,919.78x = 10,588,165,177.22
  5. Step 5: Solve for x
    x = 10,588,165,177.22/161,919.78
  6. Step 6: Final answer
    x = 65,391.43

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1.5x scale

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.