Home / 176,156.49-243,092.82-107,221.03

Finding the Fourth Proportional to 176,156.49, 243,092.82 and 107,221.03

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Solution

The fourth proportional to 176,156.49, 243,092.82 and 107,221.03 is: 147,963.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,156.49 : 243,092.82 = 107,221.03 : x
  2. Step 2: Convert to fraction form
    176,156.49/243,092.82 = 107,221.03/x
  3. Step 3: Cross multiply
    176,156.49x = 243,092.82 × 107,221.03
  4. Step 4: Simplify right side
    176,156.49x = 26,064,662,546.00
  5. Step 5: Solve for x
    x = 26,064,662,546.00/176,156.49
  6. Step 6: Final answer
    x = 147,963.11

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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.