Home / 251,438.55-377,169.64-82,973.60

Finding the Fourth Proportional to 251,438.55, 377,169.64 and 82,973.60

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Solution

The fourth proportional to 251,438.55, 377,169.64 and 82,973.60 is: 124,464.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,438.55 : 377,169.64 = 82,973.60 : x
  2. Step 2: Convert to fraction form
    251,438.55/377,169.64 = 82,973.60/x
  3. Step 3: Cross multiply
    251,438.55x = 377,169.64 × 82,973.60
  4. Step 4: Simplify right side
    251,438.55x = 31,295,123,576.99
  5. Step 5: Solve for x
    x = 31,295,123,576.99/251,438.55
  6. Step 6: Final answer
    x = 124,464.30

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1.5x scale

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.