Home / 193,955.20-290,937.69-53,715.04

Finding the Fourth Proportional to 193,955.20, 290,937.69 and 53,715.04

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Solution

The fourth proportional to 193,955.20, 290,937.69 and 53,715.04 is: 80,573.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,955.20 : 290,937.69 = 53,715.04 : x
  2. Step 2: Convert to fraction form
    193,955.20/290,937.69 = 53,715.04/x
  3. Step 3: Cross multiply
    193,955.20x = 290,937.69 × 53,715.04
  4. Step 4: Simplify right side
    193,955.20x = 15,627,728,928.51
  5. Step 5: Solve for x
    x = 15,627,728,928.51/193,955.20
  6. Step 6: Final answer
    x = 80,573.91

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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.