Home / 296,183.12-408,307.57-211,152.56

Finding the Fourth Proportional to 296,183.12, 408,307.57 and 211,152.56

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Solution

The fourth proportional to 296,183.12, 408,307.57 and 211,152.56 is: 291,087.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,183.12 : 408,307.57 = 211,152.56 : x
  2. Step 2: Convert to fraction form
    296,183.12/408,307.57 = 211,152.56/x
  3. Step 3: Cross multiply
    296,183.12x = 408,307.57 × 211,152.56
  4. Step 4: Simplify right side
    296,183.12x = 86,215,186,103.46
  5. Step 5: Solve for x
    x = 86,215,186,103.46/296,183.12
  6. Step 6: Final answer
    x = 291,087.44

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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.