Home / 141,936.48-212,924.40-42,105.60

Finding the Fourth Proportional to 141,936.48, 212,924.40 and 42,105.60

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Solution

The fourth proportional to 141,936.48, 212,924.40 and 42,105.60 is: 63,164.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,936.48 : 212,924.40 = 42,105.60 : x
  2. Step 2: Convert to fraction form
    141,936.48/212,924.40 = 42,105.60/x
  3. Step 3: Cross multiply
    141,936.48x = 212,924.40 × 42,105.60
  4. Step 4: Simplify right side
    141,936.48x = 8,965,309,616.64
  5. Step 5: Solve for x
    x = 8,965,309,616.64/141,936.48
  6. Step 6: Final answer
    x = 63,164.24

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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.