Home / 128,046.72-192,156.48-44,941.44

Finding the Fourth Proportional to 128,046.72, 192,156.48 and 44,941.44

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Solution

The fourth proportional to 128,046.72, 192,156.48 and 44,941.44 is: 67,442.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,046.72 : 192,156.48 = 44,941.44 : x
  2. Step 2: Convert to fraction form
    128,046.72/192,156.48 = 44,941.44/x
  3. Step 3: Cross multiply
    128,046.72x = 192,156.48 × 44,941.44
  4. Step 4: Simplify right side
    128,046.72x = 8,635,788,916.53
  5. Step 5: Solve for x
    x = 8,635,788,916.53/128,046.72
  6. Step 6: Final answer
    x = 67,442.48

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1.5x scale

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.