Home / 127,810.70-191,716.05-34,325.90

Finding the Fourth Proportional to 127,810.70, 191,716.05 and 34,325.90

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Solution

The fourth proportional to 127,810.70, 191,716.05 and 34,325.90 is: 51,488.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,810.70 : 191,716.05 = 34,325.90 : x
  2. Step 2: Convert to fraction form
    127,810.70/191,716.05 = 34,325.90/x
  3. Step 3: Cross multiply
    127,810.70x = 191,716.05 × 34,325.90
  4. Step 4: Simplify right side
    127,810.70x = 6,580,825,960.70
  5. Step 5: Solve for x
    x = 6,580,825,960.70/127,810.70
  6. Step 6: Final answer
    x = 51,488.85

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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.