Home / 203,762.12-281,225.36-113,147.16

Finding the Fourth Proportional to 203,762.12, 281,225.36 and 113,147.16

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Solution

The fourth proportional to 203,762.12, 281,225.36 and 113,147.16 is: 156,161.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,762.12 : 281,225.36 = 113,147.16 : x
  2. Step 2: Convert to fraction form
    203,762.12/281,225.36 = 113,147.16/x
  3. Step 3: Cross multiply
    203,762.12x = 281,225.36 × 113,147.16
  4. Step 4: Simplify right side
    203,762.12x = 31,819,850,803.98
  5. Step 5: Solve for x
    x = 31,819,850,803.98/203,762.12
  6. Step 6: Final answer
    x = 156,161.76

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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.