Home / 619,749.75-929,297.56-193,206.07

Finding the Fourth Proportional to 619,749.75, 929,297.56 and 193,206.07

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Solution

The fourth proportional to 619,749.75, 929,297.56 and 193,206.07 is: 289,707.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,749.75 : 929,297.56 = 193,206.07 : x
  2. Step 2: Convert to fraction form
    619,749.75/929,297.56 = 193,206.07/x
  3. Step 3: Cross multiply
    619,749.75x = 929,297.56 × 193,206.07
  4. Step 4: Simplify right side
    619,749.75x = 179,545,932,387.21
  5. Step 5: Solve for x
    x = 179,545,932,387.21/619,749.75
  6. Step 6: Final answer
    x = 289,707.15

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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.