Home / 332,621.67-498,925.43-107,981.78

Finding the Fourth Proportional to 332,621.67, 498,925.43 and 107,981.78

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Solution

The fourth proportional to 332,621.67, 498,925.43 and 107,981.78 is: 161,970.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,621.67 : 498,925.43 = 107,981.78 : x
  2. Step 2: Convert to fraction form
    332,621.67/498,925.43 = 107,981.78/x
  3. Step 3: Cross multiply
    332,621.67x = 498,925.43 × 107,981.78
  4. Step 4: Simplify right side
    332,621.67x = 53,874,856,018.67
  5. Step 5: Solve for x
    x = 53,874,856,018.67/332,621.67
  6. Step 6: Final answer
    x = 161,970.37

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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.