Home / 203,771.89-281,148.30-127,368.74

Finding the Fourth Proportional to 203,771.89, 281,148.30 and 127,368.74

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Solution

The fourth proportional to 203,771.89, 281,148.30 and 127,368.74 is: 175,733.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,771.89 : 281,148.30 = 127,368.74 : x
  2. Step 2: Convert to fraction form
    203,771.89/281,148.30 = 127,368.74/x
  3. Step 3: Cross multiply
    203,771.89x = 281,148.30 × 127,368.74
  4. Step 4: Simplify right side
    203,771.89x = 35,809,505,427.01
  5. Step 5: Solve for x
    x = 35,809,505,427.01/203,771.89
  6. Step 6: Final answer
    x = 175,733.29

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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.