Home / 194,491.86-268,420.23-112,838.10

Finding the Fourth Proportional to 194,491.86, 268,420.23 and 112,838.10

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Solution

The fourth proportional to 194,491.86, 268,420.23 and 112,838.10 is: 155,729.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,491.86 : 268,420.23 = 112,838.10 : x
  2. Step 2: Convert to fraction form
    194,491.86/268,420.23 = 112,838.10/x
  3. Step 3: Cross multiply
    194,491.86x = 268,420.23 × 112,838.10
  4. Step 4: Simplify right side
    194,491.86x = 30,288,028,754.76
  5. Step 5: Solve for x
    x = 30,288,028,754.76/194,491.86
  6. Step 6: Final answer
    x = 155,729.03

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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.