Home / 140,960.16-194,515.52-77,296.60

Finding the Fourth Proportional to 140,960.16, 194,515.52 and 77,296.60

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Solution

The fourth proportional to 140,960.16, 194,515.52 and 77,296.60 is: 106,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,960.16 : 194,515.52 = 77,296.60 : x
  2. Step 2: Convert to fraction form
    140,960.16/194,515.52 = 77,296.60/x
  3. Step 3: Cross multiply
    140,960.16x = 194,515.52 × 77,296.60
  4. Step 4: Simplify right side
    140,960.16x = 15,035,388,343.23
  5. Step 5: Solve for x
    x = 15,035,388,343.23/140,960.16
  6. Step 6: Final answer
    x = 106,664.10

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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.