Home / 264,418.04-396,627.02-77,429.48

Finding the Fourth Proportional to 264,418.04, 396,627.02 and 77,429.48

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Solution

The fourth proportional to 264,418.04, 396,627.02 and 77,429.48 is: 116,144.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,418.04 : 396,627.02 = 77,429.48 : x
  2. Step 2: Convert to fraction form
    264,418.04/396,627.02 = 77,429.48/x
  3. Step 3: Cross multiply
    264,418.04x = 396,627.02 × 77,429.48
  4. Step 4: Simplify right side
    264,418.04x = 30,710,623,912.55
  5. Step 5: Solve for x
    x = 30,710,623,912.55/264,418.04
  6. Step 6: Final answer
    x = 116,144.21

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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.