Home / 127,690.35-191,336.86-48,761.52

Finding the Fourth Proportional to 127,690.35, 191,336.86 and 48,761.52

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Solution

The fourth proportional to 127,690.35, 191,336.86 and 48,761.52 is: 73,066.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,690.35 : 191,336.86 = 48,761.52 : x
  2. Step 2: Convert to fraction form
    127,690.35/191,336.86 = 48,761.52/x
  3. Step 3: Cross multiply
    127,690.35x = 191,336.86 × 48,761.52
  4. Step 4: Simplify right side
    127,690.35x = 9,329,876,125.63
  5. Step 5: Solve for x
    x = 9,329,876,125.63/127,690.35
  6. Step 6: Final answer
    x = 73,066.42

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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.