Home / 351,621.20-527,431.80-185,733.20

Finding the Fourth Proportional to 351,621.20, 527,431.80 and 185,733.20

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Solution

The fourth proportional to 351,621.20, 527,431.80 and 185,733.20 is: 278,599.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,621.20 : 527,431.80 = 185,733.20 : x
  2. Step 2: Convert to fraction form
    351,621.20/527,431.80 = 185,733.20/x
  3. Step 3: Cross multiply
    351,621.20x = 527,431.80 × 185,733.20
  4. Step 4: Simplify right side
    351,621.20x = 97,961,595,995.76
  5. Step 5: Solve for x
    x = 97,961,595,995.76/351,621.20
  6. Step 6: Final answer
    x = 278,599.80

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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.