Home / 127,718.78-191,601.45-43,474.93

Finding the Fourth Proportional to 127,718.78, 191,601.45 and 43,474.93

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Solution

The fourth proportional to 127,718.78, 191,601.45 and 43,474.93 is: 65,220.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,718.78 : 191,601.45 = 43,474.93 : x
  2. Step 2: Convert to fraction form
    127,718.78/191,601.45 = 43,474.93/x
  3. Step 3: Cross multiply
    127,718.78x = 191,601.45 × 43,474.93
  4. Step 4: Simplify right side
    127,718.78x = 8,329,859,147.64
  5. Step 5: Solve for x
    x = 8,329,859,147.64/127,718.78
  6. Step 6: Final answer
    x = 65,220.32

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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.