Home / 384,315.60-576,646.20-173,845.20

Finding the Fourth Proportional to 384,315.60, 576,646.20 and 173,845.20

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Solution

The fourth proportional to 384,315.60, 576,646.20 and 173,845.20 is: 260,845.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,315.60 : 576,646.20 = 173,845.20 : x
  2. Step 2: Convert to fraction form
    384,315.60/576,646.20 = 173,845.20/x
  3. Step 3: Cross multiply
    384,315.60x = 576,646.20 × 173,845.20
  4. Step 4: Simplify right side
    384,315.60x = 100,247,173,968.24
  5. Step 5: Solve for x
    x = 100,247,173,968.24/384,315.60
  6. Step 6: Final answer
    x = 260,845.97

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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.