Home / 141,170.88-194,730.24-83,772.39

Finding the Fourth Proportional to 141,170.88, 194,730.24 and 83,772.39

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Solution

The fourth proportional to 141,170.88, 194,730.24 and 83,772.39 is: 115,555.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,170.88 : 194,730.24 = 83,772.39 : x
  2. Step 2: Convert to fraction form
    141,170.88/194,730.24 = 83,772.39/x
  3. Step 3: Cross multiply
    141,170.88x = 194,730.24 × 83,772.39
  4. Step 4: Simplify right side
    141,170.88x = 16,313,018,654.46
  5. Step 5: Solve for x
    x = 16,313,018,654.46/141,170.88
  6. Step 6: Final answer
    x = 115,555.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.