Home / 637,977.10-957,152.76-188,709.78

Finding the Fourth Proportional to 637,977.10, 957,152.76 and 188,709.78

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Solution

The fourth proportional to 637,977.10, 957,152.76 and 188,709.78 is: 283,120.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,977.10 : 957,152.76 = 188,709.78 : x
  2. Step 2: Convert to fraction form
    637,977.10/957,152.76 = 188,709.78/x
  3. Step 3: Cross multiply
    637,977.10x = 957,152.76 × 188,709.78
  4. Step 4: Simplify right side
    637,977.10x = 180,624,086,765.99
  5. Step 5: Solve for x
    x = 180,624,086,765.99/637,977.10
  6. Step 6: Final answer
    x = 283,120.02

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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.