Home / 203,765.27-281,197.12-127,328.81

Finding the Fourth Proportional to 203,765.27, 281,197.12 and 127,328.81

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Solution

The fourth proportional to 203,765.27, 281,197.12 and 127,328.81 is: 175,714.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,765.27 : 281,197.12 = 127,328.81 : x
  2. Step 2: Convert to fraction form
    203,765.27/281,197.12 = 127,328.81/x
  3. Step 3: Cross multiply
    203,765.27x = 281,197.12 × 127,328.81
  4. Step 4: Simplify right side
    203,765.27x = 35,804,494,761.19
  5. Step 5: Solve for x
    x = 35,804,494,761.19/203,765.27
  6. Step 6: Final answer
    x = 175,714.41

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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.