Home / 194,701.76-268,682.40-109,817.60

Finding the Fourth Proportional to 194,701.76, 268,682.40 and 109,817.60

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Solution

The fourth proportional to 194,701.76, 268,682.40 and 109,817.60 is: 151,544.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,701.76 : 268,682.40 = 109,817.60 : x
  2. Step 2: Convert to fraction form
    194,701.76/268,682.40 = 109,817.60/x
  3. Step 3: Cross multiply
    194,701.76x = 268,682.40 × 109,817.60
  4. Step 4: Simplify right side
    194,701.76x = 29,506,056,330.24
  5. Step 5: Solve for x
    x = 29,506,056,330.24/194,701.76
  6. Step 6: Final answer
    x = 151,544.89

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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.