Home / 318,244.03-477,330.40-81,592.27

Finding the Fourth Proportional to 318,244.03, 477,330.40 and 81,592.27

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Solution

The fourth proportional to 318,244.03, 477,330.40 and 81,592.27 is: 122,379.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,244.03 : 477,330.40 = 81,592.27 : x
  2. Step 2: Convert to fraction form
    318,244.03/477,330.40 = 81,592.27/x
  3. Step 3: Cross multiply
    318,244.03x = 477,330.40 × 81,592.27
  4. Step 4: Simplify right side
    318,244.03x = 38,946,470,876.01
  5. Step 5: Solve for x
    x = 38,946,470,876.01/318,244.03
  6. Step 6: Final answer
    x = 122,379.27

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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.