Home / 193,359.14-289,969.22-66,965.35

Finding the Fourth Proportional to 193,359.14, 289,969.22 and 66,965.35

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Solution

The fourth proportional to 193,359.14, 289,969.22 and 66,965.35 is: 100,423.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,359.14 : 289,969.22 = 66,965.35 : x
  2. Step 2: Convert to fraction form
    193,359.14/289,969.22 = 66,965.35/x
  3. Step 3: Cross multiply
    193,359.14x = 289,969.22 × 66,965.35
  4. Step 4: Simplify right side
    193,359.14x = 19,417,890,306.53
  5. Step 5: Solve for x
    x = 19,417,890,306.53/193,359.14
  6. Step 6: Final answer
    x = 100,423.96

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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.