Home / 316,721.68-437,119.41-194,192.39

Finding the Fourth Proportional to 316,721.68, 437,119.41 and 194,192.39

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Solution

The fourth proportional to 316,721.68, 437,119.41 and 194,192.39 is: 268,012.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,721.68 : 437,119.41 = 194,192.39 : x
  2. Step 2: Convert to fraction form
    316,721.68/437,119.41 = 194,192.39/x
  3. Step 3: Cross multiply
    316,721.68x = 437,119.41 × 194,192.39
  4. Step 4: Simplify right side
    316,721.68x = 84,885,262,943.29
  5. Step 5: Solve for x
    x = 84,885,262,943.29/316,721.68
  6. Step 6: Final answer
    x = 268,012.16

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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.