Home / 212,829.15-319,213.62-63,085.26

Finding the Fourth Proportional to 212,829.15, 319,213.62 and 63,085.26

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Solution

The fourth proportional to 212,829.15, 319,213.62 and 63,085.26 is: 94,618.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,829.15 : 319,213.62 = 63,085.26 : x
  2. Step 2: Convert to fraction form
    212,829.15/319,213.62 = 63,085.26/x
  3. Step 3: Cross multiply
    212,829.15x = 319,213.62 × 63,085.26
  4. Step 4: Simplify right side
    212,829.15x = 20,137,674,213.24
  5. Step 5: Solve for x
    x = 20,137,674,213.24/212,829.15
  6. Step 6: Final answer
    x = 94,618.97

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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.