Home / 289,272.12-433,745.66-198,190.32

Finding the Fourth Proportional to 289,272.12, 433,745.66 and 198,190.32

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Solution

The fourth proportional to 289,272.12, 433,745.66 and 198,190.32 is: 297,174.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,272.12 : 433,745.66 = 198,190.32 : x
  2. Step 2: Convert to fraction form
    289,272.12/433,745.66 = 198,190.32/x
  3. Step 3: Cross multiply
    289,272.12x = 433,745.66 × 198,190.32
  4. Step 4: Simplify right side
    289,272.12x = 85,964,191,154.01
  5. Step 5: Solve for x
    x = 85,964,191,154.01/289,272.12
  6. Step 6: Final answer
    x = 297,174.13

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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.