Home / 149,174.96-205,861.47-82,106.96

Finding the Fourth Proportional to 149,174.96, 205,861.47 and 82,106.96

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Solution

The fourth proportional to 149,174.96, 205,861.47 and 82,106.96 is: 113,307.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,174.96 : 205,861.47 = 82,106.96 : x
  2. Step 2: Convert to fraction form
    149,174.96/205,861.47 = 82,106.96/x
  3. Step 3: Cross multiply
    149,174.96x = 205,861.47 × 82,106.96
  4. Step 4: Simplify right side
    149,174.96x = 16,902,659,482.83
  5. Step 5: Solve for x
    x = 16,902,659,482.83/149,174.96
  6. Step 6: Final answer
    x = 113,307.62

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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.