Home / 203,972.42-281,482.25-113,328.47

Finding the Fourth Proportional to 203,972.42, 281,482.25 and 113,328.47

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Solution

The fourth proportional to 203,972.42, 281,482.25 and 113,328.47 is: 156,393.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,972.42 : 281,482.25 = 113,328.47 : x
  2. Step 2: Convert to fraction form
    203,972.42/281,482.25 = 113,328.47/x
  3. Step 3: Cross multiply
    203,972.42x = 281,482.25 × 113,328.47
  4. Step 4: Simplify right side
    203,972.42x = 31,899,952,861.72
  5. Step 5: Solve for x
    x = 31,899,952,861.72/203,972.42
  6. Step 6: Final answer
    x = 156,393.46

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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.