Home / 130,721.70-196,064.04-41,963.52

Finding the Fourth Proportional to 130,721.70, 196,064.04 and 41,963.52

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Solution

The fourth proportional to 130,721.70, 196,064.04 and 41,963.52 is: 62,939.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,721.70 : 196,064.04 = 41,963.52 : x
  2. Step 2: Convert to fraction form
    130,721.70/196,064.04 = 41,963.52/x
  3. Step 3: Cross multiply
    130,721.70x = 196,064.04 × 41,963.52
  4. Step 4: Simplify right side
    130,721.70x = 8,227,537,263.82
  5. Step 5: Solve for x
    x = 8,227,537,263.82/130,721.70
  6. Step 6: Final answer
    x = 62,939.34

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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.