Home / 325,037.31-487,622.46-111,777.54

Finding the Fourth Proportional to 325,037.31, 487,622.46 and 111,777.54

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Solution

The fourth proportional to 325,037.31, 487,622.46 and 111,777.54 is: 167,689.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,037.31 : 487,622.46 = 111,777.54 : x
  2. Step 2: Convert to fraction form
    325,037.31/487,622.46 = 111,777.54/x
  3. Step 3: Cross multiply
    325,037.31x = 487,622.46 × 111,777.54
  4. Step 4: Simplify right side
    325,037.31x = 54,505,237,618.13
  5. Step 5: Solve for x
    x = 54,505,237,618.13/325,037.31
  6. Step 6: Final answer
    x = 167,689.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.