Home / 345,779.38-477,183.98-192,816.08

Finding the Fourth Proportional to 345,779.38, 477,183.98 and 192,816.08

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Solution

The fourth proportional to 345,779.38, 477,183.98 and 192,816.08 is: 266,090.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,779.38 : 477,183.98 = 192,816.08 : x
  2. Step 2: Convert to fraction form
    345,779.38/477,183.98 = 192,816.08/x
  3. Step 3: Cross multiply
    345,779.38x = 477,183.98 × 192,816.08
  4. Step 4: Simplify right side
    345,779.38x = 92,008,741,112.40
  5. Step 5: Solve for x
    x = 92,008,741,112.40/345,779.38
  6. Step 6: Final answer
    x = 266,090.89

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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.