Home / 141,428.97-212,235.75-52,753.41

Finding the Fourth Proportional to 141,428.97, 212,235.75 and 52,753.41

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Solution

The fourth proportional to 141,428.97, 212,235.75 and 52,753.41 is: 79,164.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,428.97 : 212,235.75 = 52,753.41 : x
  2. Step 2: Convert to fraction form
    141,428.97/212,235.75 = 52,753.41/x
  3. Step 3: Cross multiply
    141,428.97x = 212,235.75 × 52,753.41
  4. Step 4: Simplify right side
    141,428.97x = 11,196,159,536.41
  5. Step 5: Solve for x
    x = 11,196,159,536.41/141,428.97
  6. Step 6: Final answer
    x = 79,164.54

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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.