Home / 345,788.12-477,189.68-192,835.98

Finding the Fourth Proportional to 345,788.12, 477,189.68 and 192,835.98

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Solution

The fourth proportional to 345,788.12, 477,189.68 and 192,835.98 is: 266,114.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,788.12 : 477,189.68 = 192,835.98 : x
  2. Step 2: Convert to fraction form
    345,788.12/477,189.68 = 192,835.98/x
  3. Step 3: Cross multiply
    345,788.12x = 477,189.68 × 192,835.98
  4. Step 4: Simplify right side
    345,788.12x = 92,019,337,929.68
  5. Step 5: Solve for x
    x = 92,019,337,929.68/345,788.12
  6. Step 6: Final answer
    x = 266,114.81

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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.