Home / 352,549.60-528,712.26-115,837.72

Finding the Fourth Proportional to 352,549.60, 528,712.26 and 115,837.72

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Solution

The fourth proportional to 352,549.60, 528,712.26 and 115,837.72 is: 173,719.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,549.60 : 528,712.26 = 115,837.72 : x
  2. Step 2: Convert to fraction form
    352,549.60/528,712.26 = 115,837.72/x
  3. Step 3: Cross multiply
    352,549.60x = 528,712.26 × 115,837.72
  4. Step 4: Simplify right side
    352,549.60x = 61,244,822,734.45
  5. Step 5: Solve for x
    x = 61,244,822,734.45/352,549.60
  6. Step 6: Final answer
    x = 173,719.73

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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.