Home / 447,119.72-670,537.32-147,544.46

Finding the Fourth Proportional to 447,119.72, 670,537.32 and 147,544.46

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Solution

The fourth proportional to 447,119.72, 670,537.32 and 147,544.46 is: 221,269.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,119.72 : 670,537.32 = 147,544.46 : x
  2. Step 2: Convert to fraction form
    447,119.72/670,537.32 = 147,544.46/x
  3. Step 3: Cross multiply
    447,119.72x = 670,537.32 × 147,544.46
  4. Step 4: Simplify right side
    447,119.72x = 98,934,066,789.25
  5. Step 5: Solve for x
    x = 98,934,066,789.25/447,119.72
  6. Step 6: Final answer
    x = 221,269.75

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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.