Home / 356,127.17-491,436.02-194,951.04

Finding the Fourth Proportional to 356,127.17, 491,436.02 and 194,951.04

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Solution

The fourth proportional to 356,127.17, 491,436.02 and 194,951.04 is: 269,021.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,127.17 : 491,436.02 = 194,951.04 : x
  2. Step 2: Convert to fraction form
    356,127.17/491,436.02 = 194,951.04/x
  3. Step 3: Cross multiply
    356,127.17x = 491,436.02 × 194,951.04
  4. Step 4: Simplify right side
    356,127.17x = 95,805,963,192.46
  5. Step 5: Solve for x
    x = 95,805,963,192.46/356,127.17
  6. Step 6: Final answer
    x = 269,021.77

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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.