Home / 203,830.90-281,277.25-113,192.67

Finding the Fourth Proportional to 203,830.90, 281,277.25 and 113,192.67

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Solution

The fourth proportional to 203,830.90, 281,277.25 and 113,192.67 is: 156,200.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,830.90 : 281,277.25 = 113,192.67 : x
  2. Step 2: Convert to fraction form
    203,830.90/281,277.25 = 113,192.67/x
  3. Step 3: Cross multiply
    203,830.90x = 281,277.25 × 113,192.67
  4. Step 4: Simplify right side
    203,830.90x = 31,838,522,937.76
  5. Step 5: Solve for x
    x = 31,838,522,937.76/203,830.90
  6. Step 6: Final answer
    x = 156,200.67

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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.