Home / 384,147.02-576,205.95-103,671.56

Finding the Fourth Proportional to 384,147.02, 576,205.95 and 103,671.56

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Solution

The fourth proportional to 384,147.02, 576,205.95 and 103,671.56 is: 155,503.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,147.02 : 576,205.95 = 103,671.56 : x
  2. Step 2: Convert to fraction form
    384,147.02/576,205.95 = 103,671.56/x
  3. Step 3: Cross multiply
    384,147.02x = 576,205.95 × 103,671.56
  4. Step 4: Simplify right side
    384,147.02x = 59,736,169,717.78
  5. Step 5: Solve for x
    x = 59,736,169,717.78/384,147.02
  6. Step 6: Final answer
    x = 155,503.41

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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.