Home / 127,141.18-190,773.70-52,283.82

Finding the Fourth Proportional to 127,141.18, 190,773.70 and 52,283.82

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Solution

The fourth proportional to 127,141.18, 190,773.70 and 52,283.82 is: 78,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,141.18 : 190,773.70 = 52,283.82 : x
  2. Step 2: Convert to fraction form
    127,141.18/190,773.70 = 52,283.82/x
  3. Step 3: Cross multiply
    127,141.18x = 190,773.70 × 52,283.82
  4. Step 4: Simplify right side
    127,141.18x = 9,974,377,791.53
  5. Step 5: Solve for x
    x = 9,974,377,791.53/127,141.18
  6. Step 6: Final answer
    x = 78,451.20

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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.