Home / 193,579.34-267,363.03-128,942.10

Finding the Fourth Proportional to 193,579.34, 267,363.03 and 128,942.10

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Solution

The fourth proportional to 193,579.34, 267,363.03 and 128,942.10 is: 178,089.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,579.34 : 267,363.03 = 128,942.10 : x
  2. Step 2: Convert to fraction form
    193,579.34/267,363.03 = 128,942.10/x
  3. Step 3: Cross multiply
    193,579.34x = 267,363.03 × 128,942.10
  4. Step 4: Simplify right side
    193,579.34x = 34,474,351,060.76
  5. Step 5: Solve for x
    x = 34,474,351,060.76/193,579.34
  6. Step 6: Final answer
    x = 178,089.00

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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.