Home / 352,445.40-528,723.36-115,734.24

Finding the Fourth Proportional to 352,445.40, 528,723.36 and 115,734.24

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Solution

The fourth proportional to 352,445.40, 528,723.36 and 115,734.24 is: 173,619.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,445.40 : 528,723.36 = 115,734.24 : x
  2. Step 2: Convert to fraction form
    352,445.40/528,723.36 = 115,734.24/x
  3. Step 3: Cross multiply
    352,445.40x = 528,723.36 × 115,734.24
  4. Step 4: Simplify right side
    352,445.40x = 61,191,396,239.85
  5. Step 5: Solve for x
    x = 61,191,396,239.85/352,445.40
  6. Step 6: Final answer
    x = 173,619.51

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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.