Home / 351,972.65-528,057.40-115,481.40

Finding the Fourth Proportional to 351,972.65, 528,057.40 and 115,481.40

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Solution

The fourth proportional to 351,972.65, 528,057.40 and 115,481.40 is: 173,254.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,972.65 : 528,057.40 = 115,481.40 : x
  2. Step 2: Convert to fraction form
    351,972.65/528,057.40 = 115,481.40/x
  3. Step 3: Cross multiply
    351,972.65x = 528,057.40 × 115,481.40
  4. Step 4: Simplify right side
    351,972.65x = 60,980,807,832.36
  5. Step 5: Solve for x
    x = 60,980,807,832.36/351,972.65
  6. Step 6: Final answer
    x = 173,254.39

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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.