Home / 329,241.12-493,858.08-79,923.12

Finding the Fourth Proportional to 329,241.12, 493,858.08 and 79,923.12

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Solution

The fourth proportional to 329,241.12, 493,858.08 and 79,923.12 is: 119,883.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,241.12 : 493,858.08 = 79,923.12 : x
  2. Step 2: Convert to fraction form
    329,241.12/493,858.08 = 79,923.12/x
  3. Step 3: Cross multiply
    329,241.12x = 493,858.08 × 79,923.12
  4. Step 4: Simplify right side
    329,241.12x = 39,470,678,590.81
  5. Step 5: Solve for x
    x = 39,470,678,590.81/329,241.12
  6. Step 6: Final answer
    x = 119,883.81

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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.