Home / 203,539.40-281,023.38-127,174.76

Finding the Fourth Proportional to 203,539.40, 281,023.38 and 127,174.76

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Solution

The fourth proportional to 203,539.40, 281,023.38 and 127,174.76 is: 175,588.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,539.40 : 281,023.38 = 127,174.76 : x
  2. Step 2: Convert to fraction form
    203,539.40/281,023.38 = 127,174.76/x
  3. Step 3: Cross multiply
    203,539.40x = 281,023.38 × 127,174.76
  4. Step 4: Simplify right side
    203,539.40x = 35,739,080,905.89
  5. Step 5: Solve for x
    x = 35,739,080,905.89/203,539.40
  6. Step 6: Final answer
    x = 175,588.02

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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.