Home / 211,564.26-317,190.87-100,834.02

Finding the Fourth Proportional to 211,564.26, 317,190.87 and 100,834.02

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Solution

The fourth proportional to 211,564.26, 317,190.87 and 100,834.02 is: 151,176.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,564.26 : 317,190.87 = 100,834.02 : x
  2. Step 2: Convert to fraction form
    211,564.26/317,190.87 = 100,834.02/x
  3. Step 3: Cross multiply
    211,564.26x = 317,190.87 × 100,834.02
  4. Step 4: Simplify right side
    211,564.26x = 31,983,630,529.40
  5. Step 5: Solve for x
    x = 31,983,630,529.40/211,564.26
  6. Step 6: Final answer
    x = 151,176.91

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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.