Home / 127,921.74-176,544.08-73,481.50

Finding the Fourth Proportional to 127,921.74, 176,544.08 and 73,481.50

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Solution

The fourth proportional to 127,921.74, 176,544.08 and 73,481.50 is: 101,411.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,921.74 : 176,544.08 = 73,481.50 : x
  2. Step 2: Convert to fraction form
    127,921.74/176,544.08 = 73,481.50/x
  3. Step 3: Cross multiply
    127,921.74x = 176,544.08 × 73,481.50
  4. Step 4: Simplify right side
    127,921.74x = 12,972,723,814.52
  5. Step 5: Solve for x
    x = 12,972,723,814.52/127,921.74
  6. Step 6: Final answer
    x = 101,411.41

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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.