Home / 193,815.24-290,666.70-75,460.20

Finding the Fourth Proportional to 193,815.24, 290,666.70 and 75,460.20

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Solution

The fourth proportional to 193,815.24, 290,666.70 and 75,460.20 is: 113,168.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,815.24 : 290,666.70 = 75,460.20 : x
  2. Step 2: Convert to fraction form
    193,815.24/290,666.70 = 75,460.20/x
  3. Step 3: Cross multiply
    193,815.24x = 290,666.70 × 75,460.20
  4. Step 4: Simplify right side
    193,815.24x = 21,933,767,315.34
  5. Step 5: Solve for x
    x = 21,933,767,315.34/193,815.24
  6. Step 6: Final answer
    x = 113,168.43

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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.