Home / 352,518.27-528,722.72-115,859.35

Finding the Fourth Proportional to 352,518.27, 528,722.72 and 115,859.35

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Solution

The fourth proportional to 352,518.27, 528,722.72 and 115,859.35 is: 173,771.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,518.27 : 528,722.72 = 115,859.35 : x
  2. Step 2: Convert to fraction form
    352,518.27/528,722.72 = 115,859.35/x
  3. Step 3: Cross multiply
    352,518.27x = 528,722.72 × 115,859.35
  4. Step 4: Simplify right side
    352,518.27x = 61,257,470,669.43
  5. Step 5: Solve for x
    x = 61,257,470,669.43/352,518.27
  6. Step 6: Final answer
    x = 173,771.05

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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.