Home / 384,029.64-576,044.75-131,312.04

Finding the Fourth Proportional to 384,029.64, 576,044.75 and 131,312.04

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Solution

The fourth proportional to 384,029.64, 576,044.75 and 131,312.04 is: 196,968.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,029.64 : 576,044.75 = 131,312.04 : x
  2. Step 2: Convert to fraction form
    384,029.64/576,044.75 = 131,312.04/x
  3. Step 3: Cross multiply
    384,029.64x = 576,044.75 × 131,312.04
  4. Step 4: Simplify right side
    384,029.64x = 75,641,611,253.79
  5. Step 5: Solve for x
    x = 75,641,611,253.79/384,029.64
  6. Step 6: Final answer
    x = 196,968.16

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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.