Home / 203,628.48-281,022.75-113,001.63

Finding the Fourth Proportional to 203,628.48, 281,022.75 and 113,001.63

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Solution

The fourth proportional to 203,628.48, 281,022.75 and 113,001.63 is: 155,950.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,628.48 : 281,022.75 = 113,001.63 : x
  2. Step 2: Convert to fraction form
    203,628.48/281,022.75 = 113,001.63/x
  3. Step 3: Cross multiply
    203,628.48x = 281,022.75 × 113,001.63
  4. Step 4: Simplify right side
    203,628.48x = 31,756,028,817.08
  5. Step 5: Solve for x
    x = 31,756,028,817.08/203,628.48
  6. Step 6: Final answer
    x = 155,950.82

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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.