Home / 193,569.66-290,353.86-51,429.15

Finding the Fourth Proportional to 193,569.66, 290,353.86 and 51,429.15

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Solution

The fourth proportional to 193,569.66, 290,353.86 and 51,429.15 is: 77,143.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,569.66 : 290,353.86 = 51,429.15 : x
  2. Step 2: Convert to fraction form
    193,569.66/290,353.86 = 51,429.15/x
  3. Step 3: Cross multiply
    193,569.66x = 290,353.86 × 51,429.15
  4. Step 4: Simplify right side
    193,569.66x = 14,932,652,219.02
  5. Step 5: Solve for x
    x = 14,932,652,219.02/193,569.66
  6. Step 6: Final answer
    x = 77,143.56

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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.