Home / 211,627.56-317,437.23-51,704.55

Finding the Fourth Proportional to 211,627.56, 317,437.23 and 51,704.55

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Solution

The fourth proportional to 211,627.56, 317,437.23 and 51,704.55 is: 77,555.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,627.56 : 317,437.23 = 51,704.55 : x
  2. Step 2: Convert to fraction form
    211,627.56/317,437.23 = 51,704.55/x
  3. Step 3: Cross multiply
    211,627.56x = 317,437.23 × 51,704.55
  4. Step 4: Simplify right side
    211,627.56x = 16,412,949,130.40
  5. Step 5: Solve for x
    x = 16,412,949,130.40/211,627.56
  6. Step 6: Final answer
    x = 77,555.82

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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.