Home / 131,924.45-182,046.75-84,172.52

Finding the Fourth Proportional to 131,924.45, 182,046.75 and 84,172.52

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Solution

The fourth proportional to 131,924.45, 182,046.75 and 84,172.52 is: 116,152.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,924.45 : 182,046.75 = 84,172.52 : x
  2. Step 2: Convert to fraction form
    131,924.45/182,046.75 = 84,172.52/x
  3. Step 3: Cross multiply
    131,924.45x = 182,046.75 × 84,172.52
  4. Step 4: Simplify right side
    131,924.45x = 15,323,333,705.31
  5. Step 5: Solve for x
    x = 15,323,333,705.31/131,924.45
  6. Step 6: Final answer
    x = 116,152.34

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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.