Home / 193,392.91-290,083.28-53,150.32

Finding the Fourth Proportional to 193,392.91, 290,083.28 and 53,150.32

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Solution

The fourth proportional to 193,392.91, 290,083.28 and 53,150.32 is: 79,723.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,392.91 : 290,083.28 = 53,150.32 : x
  2. Step 2: Convert to fraction form
    193,392.91/290,083.28 = 53,150.32/x
  3. Step 3: Cross multiply
    193,392.91x = 290,083.28 × 53,150.32
  4. Step 4: Simplify right side
    193,392.91x = 15,418,017,708.23
  5. Step 5: Solve for x
    x = 15,418,017,708.23/193,392.91
  6. Step 6: Final answer
    x = 79,723.80

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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.