Home / 193,981.44-267,705.36-129,339.12

Finding the Fourth Proportional to 193,981.44, 267,705.36 and 129,339.12

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Solution

The fourth proportional to 193,981.44, 267,705.36 and 129,339.12 is: 178,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,981.44 : 267,705.36 = 129,339.12 : x
  2. Step 2: Convert to fraction form
    193,981.44/267,705.36 = 129,339.12/x
  3. Step 3: Cross multiply
    193,981.44x = 267,705.36 × 129,339.12
  4. Step 4: Simplify right side
    193,981.44x = 34,624,775,681.68
  5. Step 5: Solve for x
    x = 34,624,775,681.68/193,981.44
  6. Step 6: Final answer
    x = 178,495.30

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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.