Home / 298,935.08-412,297.14-191,515.12

Finding the Fourth Proportional to 298,935.08, 412,297.14 and 191,515.12

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Solution

The fourth proportional to 298,935.08, 412,297.14 and 191,515.12 is: 264,141.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,935.08 : 412,297.14 = 191,515.12 : x
  2. Step 2: Convert to fraction form
    298,935.08/412,297.14 = 191,515.12/x
  3. Step 3: Cross multiply
    298,935.08x = 412,297.14 × 191,515.12
  4. Step 4: Simplify right side
    298,935.08x = 78,961,136,242.76
  5. Step 5: Solve for x
    x = 78,961,136,242.76/298,935.08
  6. Step 6: Final answer
    x = 264,141.42

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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.