Home / 212,820.24-319,231.51-63,061.82

Finding the Fourth Proportional to 212,820.24, 319,231.51 and 63,061.82

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Solution

The fourth proportional to 212,820.24, 319,231.51 and 63,061.82 is: 94,593.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,820.24 : 319,231.51 = 63,061.82 : x
  2. Step 2: Convert to fraction form
    212,820.24/319,231.51 = 63,061.82/x
  3. Step 3: Cross multiply
    212,820.24x = 319,231.51 × 63,061.82
  4. Step 4: Simplify right side
    212,820.24x = 20,131,320,363.09
  5. Step 5: Solve for x
    x = 20,131,320,363.09/212,820.24
  6. Step 6: Final answer
    x = 94,593.07

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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.