Home / 352,257.48-528,418.35-99,541.62

Finding the Fourth Proportional to 352,257.48, 528,418.35 and 99,541.62

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Solution

The fourth proportional to 352,257.48, 528,418.35 and 99,541.62 is: 149,321.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,257.48 : 528,418.35 = 99,541.62 : x
  2. Step 2: Convert to fraction form
    352,257.48/528,418.35 = 99,541.62/x
  3. Step 3: Cross multiply
    352,257.48x = 528,418.35 × 99,541.62
  4. Step 4: Simplify right side
    352,257.48x = 52,599,618,596.73
  5. Step 5: Solve for x
    x = 52,599,618,596.73/352,257.48
  6. Step 6: Final answer
    x = 149,321.51

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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.