Home / 194,505.45-268,157.56-145,900.77

Finding the Fourth Proportional to 194,505.45, 268,157.56 and 145,900.77

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Solution

The fourth proportional to 194,505.45, 268,157.56 and 145,900.77 is: 201,148.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,505.45 : 268,157.56 = 145,900.77 : x
  2. Step 2: Convert to fraction form
    194,505.45/268,157.56 = 145,900.77/x
  3. Step 3: Cross multiply
    194,505.45x = 268,157.56 × 145,900.77
  4. Step 4: Simplify right side
    194,505.45x = 39,124,394,485.32
  5. Step 5: Solve for x
    x = 39,124,394,485.32/194,505.45
  6. Step 6: Final answer
    x = 201,148.06

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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.