Home / 357,922.70-493,928.87-196,776.33

Finding the Fourth Proportional to 357,922.70, 493,928.87 and 196,776.33

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Solution

The fourth proportional to 357,922.70, 493,928.87 and 196,776.33 is: 271,548.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,922.70 : 493,928.87 = 196,776.33 : x
  2. Step 2: Convert to fraction form
    357,922.70/493,928.87 = 196,776.33/x
  3. Step 3: Cross multiply
    357,922.70x = 493,928.87 × 196,776.33
  4. Step 4: Simplify right side
    357,922.70x = 97,193,510,319.65
  5. Step 5: Solve for x
    x = 97,193,510,319.65/357,922.70
  6. Step 6: Final answer
    x = 271,548.89

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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.