Home / 448,105.55-672,438.58-181,866.06

Finding the Fourth Proportional to 448,105.55, 672,438.58 and 181,866.06

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Solution

The fourth proportional to 448,105.55, 672,438.58 and 181,866.06 is: 272,912.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,105.55 : 672,438.58 = 181,866.06 : x
  2. Step 2: Convert to fraction form
    448,105.55/672,438.58 = 181,866.06/x
  3. Step 3: Cross multiply
    448,105.55x = 672,438.58 × 181,866.06
  4. Step 4: Simplify right side
    448,105.55x = 122,293,755,136.60
  5. Step 5: Solve for x
    x = 122,293,755,136.60/448,105.55
  6. Step 6: Final answer
    x = 272,912.84

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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.