Home / 356,932.14-492,561.70-203,968.60

Finding the Fourth Proportional to 356,932.14, 492,561.70 and 203,968.60

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Solution

The fourth proportional to 356,932.14, 492,561.70 and 203,968.60 is: 281,474.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,932.14 : 492,561.70 = 203,968.60 : x
  2. Step 2: Convert to fraction form
    356,932.14/492,561.70 = 203,968.60/x
  3. Step 3: Cross multiply
    356,932.14x = 492,561.70 × 203,968.60
  4. Step 4: Simplify right side
    356,932.14x = 100,467,117,899.81
  5. Step 5: Solve for x
    x = 100,467,117,899.81/356,932.14
  6. Step 6: Final answer
    x = 281,474.01

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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.