Home / 298,963.13-412,335.78-191,543.18

Finding the Fourth Proportional to 298,963.13, 412,335.78 and 191,543.18

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Solution

The fourth proportional to 298,963.13, 412,335.78 and 191,543.18 is: 264,180.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,963.13 : 412,335.78 = 191,543.18 : x
  2. Step 2: Convert to fraction form
    298,963.13/412,335.78 = 191,543.18/x
  3. Step 3: Cross multiply
    298,963.13x = 412,335.78 × 191,543.18
  4. Step 4: Simplify right side
    298,963.13x = 78,980,106,528.98
  5. Step 5: Solve for x
    x = 78,980,106,528.98/298,963.13
  6. Step 6: Final answer
    x = 264,180.09

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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.