Home / 448,157.39-672,234.25-181,915.65

Finding the Fourth Proportional to 448,157.39, 672,234.25 and 181,915.65

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Solution

The fourth proportional to 448,157.39, 672,234.25 and 181,915.65 is: 272,872.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,157.39 : 672,234.25 = 181,915.65 : x
  2. Step 2: Convert to fraction form
    448,157.39/672,234.25 = 181,915.65/x
  3. Step 3: Cross multiply
    448,157.39x = 672,234.25 × 181,915.65
  4. Step 4: Simplify right side
    448,157.39x = 122,289,930,541.01
  5. Step 5: Solve for x
    x = 122,289,930,541.01/448,157.39
  6. Step 6: Final answer
    x = 272,872.73

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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.