Home / 212,448.12-318,726.86-62,682.36

Finding the Fourth Proportional to 212,448.12, 318,726.86 and 62,682.36

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Solution

The fourth proportional to 212,448.12, 318,726.86 and 62,682.36 is: 94,039.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,448.12 : 318,726.86 = 62,682.36 : x
  2. Step 2: Convert to fraction form
    212,448.12/318,726.86 = 62,682.36/x
  3. Step 3: Cross multiply
    212,448.12x = 318,726.86 × 62,682.36
  4. Step 4: Simplify right side
    212,448.12x = 19,978,551,466.78
  5. Step 5: Solve for x
    x = 19,978,551,466.78/212,448.12
  6. Step 6: Final answer
    x = 94,039.67

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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.