Home / 199,240.56-298,860.30-66,130.83

Finding the Fourth Proportional to 199,240.56, 298,860.30 and 66,130.83

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Solution

The fourth proportional to 199,240.56, 298,860.30 and 66,130.83 is: 99,196.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,240.56 : 298,860.30 = 66,130.83 : x
  2. Step 2: Convert to fraction form
    199,240.56/298,860.30 = 66,130.83/x
  3. Step 3: Cross multiply
    199,240.56x = 298,860.30 × 66,130.83
  4. Step 4: Simplify right side
    199,240.56x = 19,763,879,693.05
  5. Step 5: Solve for x
    x = 19,763,879,693.05/199,240.56
  6. Step 6: Final answer
    x = 99,196.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.