Home / 131,954.83-182,122.04-75,366.20

Finding the Fourth Proportional to 131,954.83, 182,122.04 and 75,366.20

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Solution

The fourth proportional to 131,954.83, 182,122.04 and 75,366.20 is: 104,019.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,954.83 : 182,122.04 = 75,366.20 : x
  2. Step 2: Convert to fraction form
    131,954.83/182,122.04 = 75,366.20/x
  3. Step 3: Cross multiply
    131,954.83x = 182,122.04 × 75,366.20
  4. Step 4: Simplify right side
    131,954.83x = 13,725,845,714.22
  5. Step 5: Solve for x
    x = 13,725,845,714.22/131,954.83
  6. Step 6: Final answer
    x = 104,019.28

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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.