Home / 173,940.60-261,008.10-74,083.80

Finding the Fourth Proportional to 173,940.60, 261,008.10 and 74,083.80

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Solution

The fourth proportional to 173,940.60, 261,008.10 and 74,083.80 is: 111,167.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,940.60 : 261,008.10 = 74,083.80 : x
  2. Step 2: Convert to fraction form
    173,940.60/261,008.10 = 74,083.80/x
  3. Step 3: Cross multiply
    173,940.60x = 261,008.10 × 74,083.80
  4. Step 4: Simplify right side
    173,940.60x = 19,336,471,878.78
  5. Step 5: Solve for x
    x = 19,336,471,878.78/173,940.60
  6. Step 6: Final answer
    x = 111,167.10

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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.