Home / 352,613.20-528,865.80-115,956.40

Finding the Fourth Proportional to 352,613.20, 528,865.80 and 115,956.40

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Solution

The fourth proportional to 352,613.20, 528,865.80 and 115,956.40 is: 173,916.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,613.20 : 528,865.80 = 115,956.40 : x
  2. Step 2: Convert to fraction form
    352,613.20/528,865.80 = 115,956.40/x
  3. Step 3: Cross multiply
    352,613.20x = 528,865.80 × 115,956.40
  4. Step 4: Simplify right side
    352,613.20x = 61,325,374,251.12
  5. Step 5: Solve for x
    x = 61,325,374,251.12/352,613.20
  6. Step 6: Final answer
    x = 173,916.84

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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.