Home / 127,409.73-191,115.75-38,663.24

Finding the Fourth Proportional to 127,409.73, 191,115.75 and 38,663.24

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Solution

The fourth proportional to 127,409.73, 191,115.75 and 38,663.24 is: 57,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,409.73 : 191,115.75 = 38,663.24 : x
  2. Step 2: Convert to fraction form
    127,409.73/191,115.75 = 38,663.24/x
  3. Step 3: Cross multiply
    127,409.73x = 191,115.75 × 38,663.24
  4. Step 4: Simplify right side
    127,409.73x = 7,389,152,961.14
  5. Step 5: Solve for x
    x = 7,389,152,961.14/127,409.73
  6. Step 6: Final answer
    x = 57,995.20

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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.