Home / 194,491.36-268,419.54-112,837.60

Finding the Fourth Proportional to 194,491.36, 268,419.54 and 112,837.60

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Solution

The fourth proportional to 194,491.36, 268,419.54 and 112,837.60 is: 155,728.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,491.36 : 268,419.54 = 112,837.60 : x
  2. Step 2: Convert to fraction form
    194,491.36/268,419.54 = 112,837.60/x
  3. Step 3: Cross multiply
    194,491.36x = 268,419.54 × 112,837.60
  4. Step 4: Simplify right side
    194,491.36x = 30,287,816,686.70
  5. Step 5: Solve for x
    x = 30,287,816,686.70/194,491.36
  6. Step 6: Final answer
    x = 155,728.34

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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.