Home / 192,721.23-265,936.59-112,159.44

Finding the Fourth Proportional to 192,721.23, 265,936.59 and 112,159.44

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Solution

The fourth proportional to 192,721.23, 265,936.59 and 112,159.44 is: 154,769.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,721.23 : 265,936.59 = 112,159.44 : x
  2. Step 2: Convert to fraction form
    192,721.23/265,936.59 = 112,159.44/x
  3. Step 3: Cross multiply
    192,721.23x = 265,936.59 × 112,159.44
  4. Step 4: Simplify right side
    192,721.23x = 29,827,299,009.91
  5. Step 5: Solve for x
    x = 29,827,299,009.91/192,721.23
  6. Step 6: Final answer
    x = 154,769.14

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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.