Home / 212,829.61-319,150.49-60,992.23

Finding the Fourth Proportional to 212,829.61, 319,150.49 and 60,992.23

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Solution

The fourth proportional to 212,829.61, 319,150.49 and 60,992.23 is: 91,461.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,829.61 : 319,150.49 = 60,992.23 : x
  2. Step 2: Convert to fraction form
    212,829.61/319,150.49 = 60,992.23/x
  3. Step 3: Cross multiply
    212,829.61x = 319,150.49 × 60,992.23
  4. Step 4: Simplify right side
    212,829.61x = 19,465,700,319.41
  5. Step 5: Solve for x
    x = 19,465,700,319.41/212,829.61
  6. Step 6: Final answer
    x = 91,461.43

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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.