Home / 203,862.15-281,339.10-113,218.47

Finding the Fourth Proportional to 203,862.15, 281,339.10 and 113,218.47

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Solution

The fourth proportional to 203,862.15, 281,339.10 and 113,218.47 is: 156,246.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,862.15 : 281,339.10 = 113,218.47 : x
  2. Step 2: Convert to fraction form
    203,862.15/281,339.10 = 113,218.47/x
  3. Step 3: Cross multiply
    203,862.15x = 281,339.10 × 113,218.47
  4. Step 4: Simplify right side
    203,862.15x = 31,852,782,453.18
  5. Step 5: Solve for x
    x = 31,852,782,453.18/203,862.15
  6. Step 6: Final answer
    x = 156,246.67

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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.