Home / 194,389.28-268,256.04-109,533.68

Finding the Fourth Proportional to 194,389.28, 268,256.04 and 109,533.68

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Solution

The fourth proportional to 194,389.28, 268,256.04 and 109,533.68 is: 151,155.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,389.28 : 268,256.04 = 109,533.68 : x
  2. Step 2: Convert to fraction form
    194,389.28/268,256.04 = 109,533.68/x
  3. Step 3: Cross multiply
    194,389.28x = 268,256.04 × 109,533.68
  4. Step 4: Simplify right side
    194,389.28x = 29,383,071,243.43
  5. Step 5: Solve for x
    x = 29,383,071,243.43/194,389.28
  6. Step 6: Final answer
    x = 151,155.82

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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.