Home / 384,137.02-576,190.95-103,661.56

Finding the Fourth Proportional to 384,137.02, 576,190.95 and 103,661.56

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Solution

The fourth proportional to 384,137.02, 576,190.95 and 103,661.56 is: 155,488.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,137.02 : 576,190.95 = 103,661.56 : x
  2. Step 2: Convert to fraction form
    384,137.02/576,190.95 = 103,661.56/x
  3. Step 3: Cross multiply
    384,137.02x = 576,190.95 × 103,661.56
  4. Step 4: Simplify right side
    384,137.02x = 59,728,852,734.88
  5. Step 5: Solve for x
    x = 59,728,852,734.88/384,137.02
  6. Step 6: Final answer
    x = 155,488.41

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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.