Home / 127,836.29-191,754.45-39,089.80

Finding the Fourth Proportional to 127,836.29, 191,754.45 and 39,089.80

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Solution

The fourth proportional to 127,836.29, 191,754.45 and 39,089.80 is: 58,634.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,836.29 : 191,754.45 = 39,089.80 : x
  2. Step 2: Convert to fraction form
    127,836.29/191,754.45 = 39,089.80/x
  3. Step 3: Cross multiply
    127,836.29x = 191,754.45 × 39,089.80
  4. Step 4: Simplify right side
    127,836.29x = 7,495,642,620.22
  5. Step 5: Solve for x
    x = 7,495,642,620.22/127,836.29
  6. Step 6: Final answer
    x = 58,634.70

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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.