Home / 127,266.44-175,816.32-83,761.58

Finding the Fourth Proportional to 127,266.44, 175,816.32 and 83,761.58

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Solution

The fourth proportional to 127,266.44, 175,816.32 and 83,761.58 is: 115,715.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,266.44 : 175,816.32 = 83,761.58 : x
  2. Step 2: Convert to fraction form
    127,266.44/175,816.32 = 83,761.58/x
  3. Step 3: Cross multiply
    127,266.44x = 175,816.32 × 83,761.58
  4. Step 4: Simplify right side
    127,266.44x = 14,726,652,752.99
  5. Step 5: Solve for x
    x = 14,726,652,752.99/127,266.44
  6. Step 6: Final answer
    x = 115,715.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.