Home / 212,408.00-318,666.67-62,642.24

Finding the Fourth Proportional to 212,408.00, 318,666.67 and 62,642.24

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Solution

The fourth proportional to 212,408.00, 318,666.67 and 62,642.24 is: 93,979.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,408.00 : 318,666.67 = 62,642.24 : x
  2. Step 2: Convert to fraction form
    212,408.00/318,666.67 = 62,642.24/x
  3. Step 3: Cross multiply
    212,408.00x = 318,666.67 × 62,642.24
  4. Step 4: Simplify right side
    212,408.00x = 19,961,992,272.20
  5. Step 5: Solve for x
    x = 19,961,992,272.20/212,408.00
  6. Step 6: Final answer
    x = 93,979.48

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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.