Home / 189,546.99-261,480.38-113,012.12

Finding the Fourth Proportional to 189,546.99, 261,480.38 and 113,012.12

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Solution

The fourth proportional to 189,546.99, 261,480.38 and 113,012.12 is: 155,900.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,546.99 : 261,480.38 = 113,012.12 : x
  2. Step 2: Convert to fraction form
    189,546.99/261,480.38 = 113,012.12/x
  3. Step 3: Cross multiply
    189,546.99x = 261,480.38 × 113,012.12
  4. Step 4: Simplify right side
    189,546.99x = 29,550,450,209.74
  5. Step 5: Solve for x
    x = 29,550,450,209.74/189,546.99
  6. Step 6: Final answer
    x = 155,900.39

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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.