Home / 289,383.30-434,556.63-195,219.54

Finding the Fourth Proportional to 289,383.30, 434,556.63 and 195,219.54

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Solution

The fourth proportional to 289,383.30, 434,556.63 and 195,219.54 is: 293,154.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,383.30 : 434,556.63 = 195,219.54 : x
  2. Step 2: Convert to fraction form
    289,383.30/434,556.63 = 195,219.54/x
  3. Step 3: Cross multiply
    289,383.30x = 434,556.63 × 195,219.54
  4. Step 4: Simplify right side
    289,383.30x = 84,833,945,412.55
  5. Step 5: Solve for x
    x = 84,833,945,412.55/289,383.30
  6. Step 6: Final answer
    x = 293,154.25

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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.