Home / 385,200.41-577,923.63-185,540.98

Finding the Fourth Proportional to 385,200.41, 577,923.63 and 185,540.98

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Solution

The fourth proportional to 385,200.41, 577,923.63 and 185,540.98 is: 278,370.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,200.41 : 577,923.63 = 185,540.98 : x
  2. Step 2: Convert to fraction form
    385,200.41/577,923.63 = 185,540.98/x
  3. Step 3: Cross multiply
    385,200.41x = 577,923.63 × 185,540.98
  4. Step 4: Simplify right side
    385,200.41x = 107,228,517,183.88
  5. Step 5: Solve for x
    x = 107,228,517,183.88/385,200.41
  6. Step 6: Final answer
    x = 278,370.72

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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.