Home / 127,943.60-191,913.60-57,822.80

Finding the Fourth Proportional to 127,943.60, 191,913.60 and 57,822.80

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Solution

The fourth proportional to 127,943.60, 191,913.60 and 57,822.80 is: 86,733.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,943.60 : 191,913.60 = 57,822.80 : x
  2. Step 2: Convert to fraction form
    127,943.60/191,913.60 = 57,822.80/x
  3. Step 3: Cross multiply
    127,943.60x = 191,913.60 × 57,822.80
  4. Step 4: Simplify right side
    127,943.60x = 11,096,981,710.08
  5. Step 5: Solve for x
    x = 11,096,981,710.08/127,943.60
  6. Step 6: Final answer
    x = 86,733.39

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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.