Home / 259,163.20-357,651.12-144,453.60

Finding the Fourth Proportional to 259,163.20, 357,651.12 and 144,453.60

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Solution

The fourth proportional to 259,163.20, 357,651.12 and 144,453.60 is: 199,349.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,163.20 : 357,651.12 = 144,453.60 : x
  2. Step 2: Convert to fraction form
    259,163.20/357,651.12 = 144,453.60/x
  3. Step 3: Cross multiply
    259,163.20x = 357,651.12 × 144,453.60
  4. Step 4: Simplify right side
    259,163.20x = 51,663,991,828.03
  5. Step 5: Solve for x
    x = 51,663,991,828.03/259,163.20
  6. Step 6: Final answer
    x = 199,349.26

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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.