Home / 198,432.94-273,842.04-107,792.50

Finding the Fourth Proportional to 198,432.94, 273,842.04 and 107,792.50

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Solution

The fourth proportional to 198,432.94, 273,842.04 and 107,792.50 is: 148,756.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,432.94 : 273,842.04 = 107,792.50 : x
  2. Step 2: Convert to fraction form
    198,432.94/273,842.04 = 107,792.50/x
  3. Step 3: Cross multiply
    198,432.94x = 273,842.04 × 107,792.50
  4. Step 4: Simplify right side
    198,432.94x = 29,518,118,096.70
  5. Step 5: Solve for x
    x = 29,518,118,096.70/198,432.94
  6. Step 6: Final answer
    x = 148,756.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.