Home / 211,523.36-317,566.60-122,840.52

Finding the Fourth Proportional to 211,523.36, 317,566.60 and 122,840.52

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Solution

The fourth proportional to 211,523.36, 317,566.60 and 122,840.52 is: 184,424.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,523.36 : 317,566.60 = 122,840.52 : x
  2. Step 2: Convert to fraction form
    211,523.36/317,566.60 = 122,840.52/x
  3. Step 3: Cross multiply
    211,523.36x = 317,566.60 × 122,840.52
  4. Step 4: Simplify right side
    211,523.36x = 39,010,046,278.63
  5. Step 5: Solve for x
    x = 39,010,046,278.63/211,523.36
  6. Step 6: Final answer
    x = 184,424.29

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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.