Home / 193,490.87-290,237.92-53,257.19

Finding the Fourth Proportional to 193,490.87, 290,237.92 and 53,257.19

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Solution

The fourth proportional to 193,490.87, 290,237.92 and 53,257.19 is: 79,886.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,490.87 : 290,237.92 = 53,257.19 : x
  2. Step 2: Convert to fraction form
    193,490.87/290,237.92 = 53,257.19/x
  3. Step 3: Cross multiply
    193,490.87x = 290,237.92 × 53,257.19
  4. Step 4: Simplify right side
    193,490.87x = 15,457,256,050.64
  5. Step 5: Solve for x
    x = 15,457,256,050.64/193,490.87
  6. Step 6: Final answer
    x = 79,886.23

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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.