Home / 203,925.35-281,409.15-113,287.01

Finding the Fourth Proportional to 203,925.35, 281,409.15 and 113,287.01

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Solution

The fourth proportional to 203,925.35, 281,409.15 and 113,287.01 is: 156,331.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,925.35 : 281,409.15 = 113,287.01 : x
  2. Step 2: Convert to fraction form
    203,925.35/281,409.15 = 113,287.01/x
  3. Step 3: Cross multiply
    203,925.35x = 281,409.15 × 113,287.01
  4. Step 4: Simplify right side
    203,925.35x = 31,880,001,190.14
  5. Step 5: Solve for x
    x = 31,880,001,190.14/203,925.35
  6. Step 6: Final answer
    x = 156,331.73

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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.