Home / 345,736.32-477,101.76-194,833.92

Finding the Fourth Proportional to 345,736.32, 477,101.76 and 194,833.92

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Solution

The fourth proportional to 345,736.32, 477,101.76 and 194,833.92 is: 268,862.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,736.32 : 477,101.76 = 194,833.92 : x
  2. Step 2: Convert to fraction form
    345,736.32/477,101.76 = 194,833.92/x
  3. Step 3: Cross multiply
    345,736.32x = 477,101.76 × 194,833.92
  4. Step 4: Simplify right side
    345,736.32x = 92,955,606,139.70
  5. Step 5: Solve for x
    x = 92,955,606,139.70/345,736.32
  6. Step 6: Final answer
    x = 268,862.72

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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.