Home / 185,861.80-278,803.28-52,731.60

Finding the Fourth Proportional to 185,861.80, 278,803.28 and 52,731.60

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Solution

The fourth proportional to 185,861.80, 278,803.28 and 52,731.60 is: 79,100.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,861.80 : 278,803.28 = 52,731.60 : x
  2. Step 2: Convert to fraction form
    185,861.80/278,803.28 = 52,731.60/x
  3. Step 3: Cross multiply
    185,861.80x = 278,803.28 × 52,731.60
  4. Step 4: Simplify right side
    185,861.80x = 14,701,743,039.65
  5. Step 5: Solve for x
    x = 14,701,743,039.65/185,861.80
  6. Step 6: Final answer
    x = 79,100.40

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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.