Home / 405,031.06-607,544.38-165,144.02

Finding the Fourth Proportional to 405,031.06, 607,544.38 and 165,144.02

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Solution

The fourth proportional to 405,031.06, 607,544.38 and 165,144.02 is: 247,715.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,031.06 : 607,544.38 = 165,144.02 : x
  2. Step 2: Convert to fraction form
    405,031.06/607,544.38 = 165,144.02/x
  3. Step 3: Cross multiply
    405,031.06x = 607,544.38 × 165,144.02
  4. Step 4: Simplify right side
    405,031.06x = 100,332,321,241.61
  5. Step 5: Solve for x
    x = 100,332,321,241.61/405,031.06
  6. Step 6: Final answer
    x = 247,715.13

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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.