Home / 354,144.14-488,663.04-199,064.85

Finding the Fourth Proportional to 354,144.14, 488,663.04 and 199,064.85

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Solution

The fourth proportional to 354,144.14, 488,663.04 and 199,064.85 is: 274,678.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,144.14 : 488,663.04 = 199,064.85 : x
  2. Step 2: Convert to fraction form
    354,144.14/488,663.04 = 199,064.85/x
  3. Step 3: Cross multiply
    354,144.14x = 488,663.04 × 199,064.85
  4. Step 4: Simplify right side
    354,144.14x = 97,275,634,758.14
  5. Step 5: Solve for x
    x = 97,275,634,758.14/354,144.14
  6. Step 6: Final answer
    x = 274,678.09

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1.5x scale

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.