Home / 298,962.13-412,334.40-191,542.18

Finding the Fourth Proportional to 298,962.13, 412,334.40 and 191,542.18

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Solution

The fourth proportional to 298,962.13, 412,334.40 and 191,542.18 is: 264,178.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,962.13 : 412,334.40 = 191,542.18 : x
  2. Step 2: Convert to fraction form
    298,962.13/412,334.40 = 191,542.18/x
  3. Step 3: Cross multiply
    298,962.13x = 412,334.40 × 191,542.18
  4. Step 4: Simplify right side
    298,962.13x = 78,979,429,864.99
  5. Step 5: Solve for x
    x = 78,979,429,864.99/298,962.13
  6. Step 6: Final answer
    x = 264,178.71

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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.