Home / 194,181.03-291,300.23-99,464.78

Finding the Fourth Proportional to 194,181.03, 291,300.23 and 99,464.78

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Solution

The fourth proportional to 194,181.03, 291,300.23 and 99,464.78 is: 149,211.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,181.03 : 291,300.23 = 99,464.78 : x
  2. Step 2: Convert to fraction form
    194,181.03/291,300.23 = 99,464.78/x
  3. Step 3: Cross multiply
    194,181.03x = 291,300.23 × 99,464.78
  4. Step 4: Simplify right side
    194,181.03x = 28,974,114,267.81
  5. Step 5: Solve for x
    x = 28,974,114,267.81/194,181.03
  6. Step 6: Final answer
    x = 149,211.87

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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.