Home / 351,977.78-528,065.07-115,486.52

Finding the Fourth Proportional to 351,977.78, 528,065.07 and 115,486.52

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Solution

The fourth proportional to 351,977.78, 528,065.07 and 115,486.52 is: 173,262.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,977.78 : 528,065.07 = 115,486.52 : x
  2. Step 2: Convert to fraction form
    351,977.78/528,065.07 = 115,486.52/x
  3. Step 3: Cross multiply
    351,977.78x = 528,065.07 × 115,486.52
  4. Step 4: Simplify right side
    351,977.78x = 60,984,397,267.86
  5. Step 5: Solve for x
    x = 60,984,397,267.86/351,977.78
  6. Step 6: Final answer
    x = 173,262.07

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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.