Home / 203,835.78-281,300.58-113,193.18

Finding the Fourth Proportional to 203,835.78, 281,300.58 and 113,193.18

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Solution

The fourth proportional to 203,835.78, 281,300.58 and 113,193.18 is: 156,210.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,835.78 : 281,300.58 = 113,193.18 : x
  2. Step 2: Convert to fraction form
    203,835.78/281,300.58 = 113,193.18/x
  3. Step 3: Cross multiply
    203,835.78x = 281,300.58 × 113,193.18
  4. Step 4: Simplify right side
    203,835.78x = 31,841,307,186.04
  5. Step 5: Solve for x
    x = 31,841,307,186.04/203,835.78
  6. Step 6: Final answer
    x = 156,210.59

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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.