Home / 203,829.90-281,275.88-113,191.67

Finding the Fourth Proportional to 203,829.90, 281,275.88 and 113,191.67

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Solution

The fourth proportional to 203,829.90, 281,275.88 and 113,191.67 is: 156,199.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,829.90 : 281,275.88 = 113,191.67 : x
  2. Step 2: Convert to fraction form
    203,829.90/281,275.88 = 113,191.67/x
  3. Step 3: Cross multiply
    203,829.90x = 281,275.88 × 113,191.67
  4. Step 4: Simplify right side
    203,829.90x = 31,838,084,615.58
  5. Step 5: Solve for x
    x = 31,838,084,615.58/203,829.90
  6. Step 6: Final answer
    x = 156,199.28

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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.