Home / 545,158.26-817,844.37-190,183.86

Finding the Fourth Proportional to 545,158.26, 817,844.37 and 190,183.86

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Solution

The fourth proportional to 545,158.26, 817,844.37 and 190,183.86 is: 285,313.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,158.26 : 817,844.37 = 190,183.86 : x
  2. Step 2: Convert to fraction form
    545,158.26/817,844.37 = 190,183.86/x
  3. Step 3: Cross multiply
    545,158.26x = 817,844.37 × 190,183.86
  4. Step 4: Simplify right side
    545,158.26x = 155,540,799,165.87
  5. Step 5: Solve for x
    x = 155,540,799,165.87/545,158.26
  6. Step 6: Final answer
    x = 285,313.11

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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.