Home / 212,480.35-318,646.25-62,680.88

Finding the Fourth Proportional to 212,480.35, 318,646.25 and 62,680.88

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Solution

The fourth proportional to 212,480.35, 318,646.25 and 62,680.88 is: 93,999.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,480.35 : 318,646.25 = 62,680.88 : x
  2. Step 2: Convert to fraction form
    212,480.35/318,646.25 = 62,680.88/x
  3. Step 3: Cross multiply
    212,480.35x = 318,646.25 × 62,680.88
  4. Step 4: Simplify right side
    212,480.35x = 19,973,027,045.30
  5. Step 5: Solve for x
    x = 19,973,027,045.30/212,480.35
  6. Step 6: Final answer
    x = 93,999.41

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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.