Home / 193,348.87-290,022.76-53,107.63

Finding the Fourth Proportional to 193,348.87, 290,022.76 and 53,107.63

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Solution

The fourth proportional to 193,348.87, 290,022.76 and 53,107.63 is: 79,661.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,348.87 : 290,022.76 = 53,107.63 : x
  2. Step 2: Convert to fraction form
    193,348.87/290,022.76 = 53,107.63/x
  3. Step 3: Cross multiply
    193,348.87x = 290,022.76 × 53,107.63
  4. Step 4: Simplify right side
    193,348.87x = 15,402,421,429.66
  5. Step 5: Solve for x
    x = 15,402,421,429.66/193,348.87
  6. Step 6: Final answer
    x = 79,661.30

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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.