Home / 211,005.05-316,508.09-53,233.51

Finding the Fourth Proportional to 211,005.05, 316,508.09 and 53,233.51

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Solution

The fourth proportional to 211,005.05, 316,508.09 and 53,233.51 is: 79,850.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,005.05 : 316,508.09 = 53,233.51 : x
  2. Step 2: Convert to fraction form
    211,005.05/316,508.09 = 53,233.51/x
  3. Step 3: Cross multiply
    211,005.05x = 316,508.09 × 53,233.51
  4. Step 4: Simplify right side
    211,005.05x = 16,848,834,991.56
  5. Step 5: Solve for x
    x = 16,848,834,991.56/211,005.05
  6. Step 6: Final answer
    x = 79,850.39

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1.5x scale

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.