Home / 193,642.11-289,841.55-103,459.46

Finding the Fourth Proportional to 193,642.11, 289,841.55 and 103,459.46

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Solution

The fourth proportional to 193,642.11, 289,841.55 and 103,459.46 is: 154,857.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,642.11 : 289,841.55 = 103,459.46 : x
  2. Step 2: Convert to fraction form
    193,642.11/289,841.55 = 103,459.46/x
  3. Step 3: Cross multiply
    193,642.11x = 289,841.55 × 103,459.46
  4. Step 4: Simplify right side
    193,642.11x = 29,986,848,799.36
  5. Step 5: Solve for x
    x = 29,986,848,799.36/193,642.11
  6. Step 6: Final answer
    x = 154,857.06

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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.