Home / 212,337.60-318,455.16-62,537.20

Finding the Fourth Proportional to 212,337.60, 318,455.16 and 62,537.20

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Solution

The fourth proportional to 212,337.60, 318,455.16 and 62,537.20 is: 93,790.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,337.60 : 318,455.16 = 62,537.20 : x
  2. Step 2: Convert to fraction form
    212,337.60/318,455.16 = 62,537.20/x
  3. Step 3: Cross multiply
    212,337.60x = 318,455.16 × 62,537.20
  4. Step 4: Simplify right side
    212,337.60x = 19,915,294,031.95
  5. Step 5: Solve for x
    x = 19,915,294,031.95/212,337.60
  6. Step 6: Final answer
    x = 93,790.71

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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.