Home / 211,119.48-316,712.04-70,910.91

Finding the Fourth Proportional to 211,119.48, 316,712.04 and 70,910.91

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Solution

The fourth proportional to 211,119.48, 316,712.04 and 70,910.91 is: 106,377.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,119.48 : 316,712.04 = 70,910.91 : x
  2. Step 2: Convert to fraction form
    211,119.48/316,712.04 = 70,910.91/x
  3. Step 3: Cross multiply
    211,119.48x = 316,712.04 × 70,910.91
  4. Step 4: Simplify right side
    211,119.48x = 22,458,338,964.36
  5. Step 5: Solve for x
    x = 22,458,338,964.36/211,119.48
  6. Step 6: Final answer
    x = 106,377.39

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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.