Home / 211,921.84-317,899.16-60,116.36

Finding the Fourth Proportional to 211,921.84, 317,899.16 and 60,116.36

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Solution

The fourth proportional to 211,921.84, 317,899.16 and 60,116.36 is: 90,179.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,921.84 : 317,899.16 = 60,116.36 : x
  2. Step 2: Convert to fraction form
    211,921.84/317,899.16 = 60,116.36/x
  3. Step 3: Cross multiply
    211,921.84x = 317,899.16 × 60,116.36
  4. Step 4: Simplify right side
    211,921.84x = 19,110,940,346.26
  5. Step 5: Solve for x
    x = 19,110,940,346.26/211,921.84
  6. Step 6: Final answer
    x = 90,179.19

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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.