Home / 211,402.37-317,069.79-61,607.61

Finding the Fourth Proportional to 211,402.37, 317,069.79 and 61,607.61

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Solution

The fourth proportional to 211,402.37, 317,069.79 and 61,607.61 is: 92,401.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,402.37 : 317,069.79 = 61,607.61 : x
  2. Step 2: Convert to fraction form
    211,402.37/317,069.79 = 61,607.61/x
  3. Step 3: Cross multiply
    211,402.37x = 317,069.79 × 61,607.61
  4. Step 4: Simplify right side
    211,402.37x = 19,533,912,923.09
  5. Step 5: Solve for x
    x = 19,533,912,923.09/211,402.37
  6. Step 6: Final answer
    x = 92,401.58

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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.