Home / 152,916.15-211,027.11-84,939.42

Finding the Fourth Proportional to 152,916.15, 211,027.11 and 84,939.42

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Solution

The fourth proportional to 152,916.15, 211,027.11 and 84,939.42 is: 117,217.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,916.15 : 211,027.11 = 84,939.42 : x
  2. Step 2: Convert to fraction form
    152,916.15/211,027.11 = 84,939.42/x
  3. Step 3: Cross multiply
    152,916.15x = 211,027.11 × 84,939.42
  4. Step 4: Simplify right side
    152,916.15x = 17,924,520,327.68
  5. Step 5: Solve for x
    x = 17,924,520,327.68/152,916.15
  6. Step 6: Final answer
    x = 117,217.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.