Home / 212,291.02-318,326.77-62,511.90

Finding the Fourth Proportional to 212,291.02, 318,326.77 and 62,511.90

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Solution

The fourth proportional to 212,291.02, 318,326.77 and 62,511.90 is: 93,735.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,291.02 : 318,326.77 = 62,511.90 : x
  2. Step 2: Convert to fraction form
    212,291.02/318,326.77 = 62,511.90/x
  3. Step 3: Cross multiply
    212,291.02x = 318,326.77 × 62,511.90
  4. Step 4: Simplify right side
    212,291.02x = 19,899,211,213.56
  5. Step 5: Solve for x
    x = 19,899,211,213.56/212,291.02
  6. Step 6: Final answer
    x = 93,735.53

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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.