Home / 351,975.90-528,062.26-115,484.65

Finding the Fourth Proportional to 351,975.90, 528,062.26 and 115,484.65

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Solution

The fourth proportional to 351,975.90, 528,062.26 and 115,484.65 is: 173,259.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,975.90 : 528,062.26 = 115,484.65 : x
  2. Step 2: Convert to fraction form
    351,975.90/528,062.26 = 115,484.65/x
  3. Step 3: Cross multiply
    351,975.90x = 528,062.26 × 115,484.65
  4. Step 4: Simplify right side
    351,975.90x = 60,983,085,274.31
  5. Step 5: Solve for x
    x = 60,983,085,274.31/351,975.90
  6. Step 6: Final answer
    x = 173,259.26

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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.