Home / 203,175.46-280,384.23-122,587.41

Finding the Fourth Proportional to 203,175.46, 280,384.23 and 122,587.41

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Solution

The fourth proportional to 203,175.46, 280,384.23 and 122,587.41 is: 169,171.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,175.46 : 280,384.23 = 122,587.41 : x
  2. Step 2: Convert to fraction form
    203,175.46/280,384.23 = 122,587.41/x
  3. Step 3: Cross multiply
    203,175.46x = 280,384.23 × 122,587.41
  4. Step 4: Simplify right side
    203,175.46x = 34,371,575,158.62
  5. Step 5: Solve for x
    x = 34,371,575,158.62/203,175.46
  6. Step 6: Final answer
    x = 169,171.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.