Home / 193,966.47-291,083.50-67,607.78

Finding the Fourth Proportional to 193,966.47, 291,083.50 and 67,607.78

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Solution

The fourth proportional to 193,966.47, 291,083.50 and 67,607.78 is: 101,458.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,966.47 : 291,083.50 = 67,607.78 : x
  2. Step 2: Convert to fraction form
    193,966.47/291,083.50 = 67,607.78/x
  3. Step 3: Cross multiply
    193,966.47x = 291,083.50 × 67,607.78
  4. Step 4: Simplify right side
    193,966.47x = 19,679,507,774.21
  5. Step 5: Solve for x
    x = 19,679,507,774.21/193,966.47
  6. Step 6: Final answer
    x = 101,458.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.