Home / 127,836.68-191,754.97-39,090.17

Finding the Fourth Proportional to 127,836.68, 191,754.97 and 39,090.17

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Solution

The fourth proportional to 127,836.68, 191,754.97 and 39,090.17 is: 58,635.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,836.68 : 191,754.97 = 39,090.17 : x
  2. Step 2: Convert to fraction form
    127,836.68/191,754.97 = 39,090.17/x
  3. Step 3: Cross multiply
    127,836.68x = 191,754.97 × 39,090.17
  4. Step 4: Simplify right side
    127,836.68x = 7,495,734,757.31
  5. Step 5: Solve for x
    x = 7,495,734,757.31/127,836.68
  6. Step 6: Final answer
    x = 58,635.24

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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.