Home / 141,709.52-212,560.73-57,447.14

Finding the Fourth Proportional to 141,709.52, 212,560.73 and 57,447.14

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Solution

The fourth proportional to 141,709.52, 212,560.73 and 57,447.14 is: 86,169.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,709.52 : 212,560.73 = 57,447.14 : x
  2. Step 2: Convert to fraction form
    141,709.52/212,560.73 = 57,447.14/x
  3. Step 3: Cross multiply
    141,709.52x = 212,560.73 × 57,447.14
  4. Step 4: Simplify right side
    141,709.52x = 12,211,006,258.98
  5. Step 5: Solve for x
    x = 12,211,006,258.98/141,709.52
  6. Step 6: Final answer
    x = 86,169.28

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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.