Home / 304,100.18-419,650.85-168,130.61

Finding the Fourth Proportional to 304,100.18, 419,650.85 and 168,130.61

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Solution

The fourth proportional to 304,100.18, 419,650.85 and 168,130.61 is: 232,016.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,100.18 : 419,650.85 = 168,130.61 : x
  2. Step 2: Convert to fraction form
    304,100.18/419,650.85 = 168,130.61/x
  3. Step 3: Cross multiply
    304,100.18x = 419,650.85 × 168,130.61
  4. Step 4: Simplify right side
    304,100.18x = 70,556,152,556.87
  5. Step 5: Solve for x
    x = 70,556,152,556.87/304,100.18
  6. Step 6: Final answer
    x = 232,016.15

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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.