Home / 193,570.71-290,243.06-75,103.66

Finding the Fourth Proportional to 193,570.71, 290,243.06 and 75,103.66

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Solution

The fourth proportional to 193,570.71, 290,243.06 and 75,103.66 is: 112,611.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,570.71 : 290,243.06 = 75,103.66 : x
  2. Step 2: Convert to fraction form
    193,570.71/290,243.06 = 75,103.66/x
  3. Step 3: Cross multiply
    193,570.71x = 290,243.06 × 75,103.66
  4. Step 4: Simplify right side
    193,570.71x = 21,798,316,095.60
  5. Step 5: Solve for x
    x = 21,798,316,095.60/193,570.71
  6. Step 6: Final answer
    x = 112,611.65

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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.