Home / 127,830.61-191,788.44-56,743.39

Finding the Fourth Proportional to 127,830.61, 191,788.44 and 56,743.39

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Solution

The fourth proportional to 127,830.61, 191,788.44 and 56,743.39 is: 85,133.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,830.61 : 191,788.44 = 56,743.39 : x
  2. Step 2: Convert to fraction form
    127,830.61/191,788.44 = 56,743.39/x
  3. Step 3: Cross multiply
    127,830.61x = 191,788.44 × 56,743.39
  4. Step 4: Simplify right side
    127,830.61x = 10,882,726,248.41
  5. Step 5: Solve for x
    x = 10,882,726,248.41/127,830.61
  6. Step 6: Final answer
    x = 85,133.96

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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.