Home / 298,701.45-412,218.05-162,746.19

Finding the Fourth Proportional to 298,701.45, 412,218.05 and 162,746.19

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Solution

The fourth proportional to 298,701.45, 412,218.05 and 162,746.19 is: 224,595.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,701.45 : 412,218.05 = 162,746.19 : x
  2. Step 2: Convert to fraction form
    298,701.45/412,218.05 = 162,746.19/x
  3. Step 3: Cross multiply
    298,701.45x = 412,218.05 × 162,746.19
  4. Step 4: Simplify right side
    298,701.45x = 67,086,916,273.00
  5. Step 5: Solve for x
    x = 67,086,916,273.00/298,701.45
  6. Step 6: Final answer
    x = 224,595.21

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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.