Home / 389,066.54-583,654.40-136,289.14

Finding the Fourth Proportional to 389,066.54, 583,654.40 and 136,289.14

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Solution

The fourth proportional to 389,066.54, 583,654.40 and 136,289.14 is: 204,452.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,066.54 : 583,654.40 = 136,289.14 : x
  2. Step 2: Convert to fraction form
    389,066.54/583,654.40 = 136,289.14/x
  3. Step 3: Cross multiply
    389,066.54x = 583,654.40 × 136,289.14
  4. Step 4: Simplify right side
    389,066.54x = 79,545,756,233.22
  5. Step 5: Solve for x
    x = 79,545,756,233.22/389,066.54
  6. Step 6: Final answer
    x = 204,452.83

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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.