Home / 127,918.10-191,715.15-48,926.90

Finding the Fourth Proportional to 127,918.10, 191,715.15 and 48,926.90

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Solution

The fourth proportional to 127,918.10, 191,715.15 and 48,926.90 is: 73,328.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,918.10 : 191,715.15 = 48,926.90 : x
  2. Step 2: Convert to fraction form
    127,918.10/191,715.15 = 48,926.90/x
  3. Step 3: Cross multiply
    127,918.10x = 191,715.15 × 48,926.90
  4. Step 4: Simplify right side
    127,918.10x = 9,380,027,972.54
  5. Step 5: Solve for x
    x = 9,380,027,972.54/127,918.10
  6. Step 6: Final answer
    x = 73,328.39

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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.