Home / 211,525.36-317,569.60-122,842.52

Finding the Fourth Proportional to 211,525.36, 317,569.60 and 122,842.52

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Solution

The fourth proportional to 211,525.36, 317,569.60 and 122,842.52 is: 184,427.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,525.36 : 317,569.60 = 122,842.52 : x
  2. Step 2: Convert to fraction form
    211,525.36/317,569.60 = 122,842.52/x
  3. Step 3: Cross multiply
    211,525.36x = 317,569.60 × 122,842.52
  4. Step 4: Simplify right side
    211,525.36x = 39,011,049,939.39
  5. Step 5: Solve for x
    x = 39,011,049,939.39/211,525.36
  6. Step 6: Final answer
    x = 184,427.29

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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.