Home / 356,053.07-491,354.59-194,923.11

Finding the Fourth Proportional to 356,053.07, 491,354.59 and 194,923.11

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Solution

The fourth proportional to 356,053.07, 491,354.59 and 194,923.11 is: 268,994.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,053.07 : 491,354.59 = 194,923.11 : x
  2. Step 2: Convert to fraction form
    356,053.07/491,354.59 = 194,923.11/x
  3. Step 3: Cross multiply
    356,053.07x = 491,354.59 × 194,923.11
  4. Step 4: Simplify right side
    356,053.07x = 95,776,364,795.57
  5. Step 5: Solve for x
    x = 95,776,364,795.57/356,053.07
  6. Step 6: Final answer
    x = 268,994.63

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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.