Home / 193,336.74-289,935.91-66,943.06

Finding the Fourth Proportional to 193,336.74, 289,935.91 and 66,943.06

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Solution

The fourth proportional to 193,336.74, 289,935.91 and 66,943.06 is: 100,390.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,336.74 : 289,935.91 = 66,943.06 : x
  2. Step 2: Convert to fraction form
    193,336.74/289,935.91 = 66,943.06/x
  3. Step 3: Cross multiply
    193,336.74x = 289,935.91 × 66,943.06
  4. Step 4: Simplify right side
    193,336.74x = 19,409,197,465.38
  5. Step 5: Solve for x
    x = 19,409,197,465.38/193,336.74
  6. Step 6: Final answer
    x = 100,390.63

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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.