Home / 203,683.40-281,082.71-113,040.45

Finding the Fourth Proportional to 203,683.40, 281,082.71 and 113,040.45

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Solution

The fourth proportional to 203,683.40, 281,082.71 and 113,040.45 is: 155,995.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,683.40 : 281,082.71 = 113,040.45 : x
  2. Step 2: Convert to fraction form
    203,683.40/281,082.71 = 113,040.45/x
  3. Step 3: Cross multiply
    203,683.40x = 281,082.71 × 113,040.45
  4. Step 4: Simplify right side
    203,683.40x = 31,773,715,460.42
  5. Step 5: Solve for x
    x = 31,773,715,460.42/203,683.40
  6. Step 6: Final answer
    x = 155,995.61

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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.