Home / 361,125.74-498,353.07-199,980.60

Finding the Fourth Proportional to 361,125.74, 498,353.07 and 199,980.60

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Solution

The fourth proportional to 361,125.74, 498,353.07 and 199,980.60 is: 275,972.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,125.74 : 498,353.07 = 199,980.60 : x
  2. Step 2: Convert to fraction form
    361,125.74/498,353.07 = 199,980.60/x
  3. Step 3: Cross multiply
    361,125.74x = 498,353.07 × 199,980.60
  4. Step 4: Simplify right side
    361,125.74x = 99,660,945,950.44
  5. Step 5: Solve for x
    x = 99,660,945,950.44/361,125.74
  6. Step 6: Final answer
    x = 275,972.98

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1.5x scale

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.