Home / 190,181.07-262,131-151,817.67

Finding the Fourth Proportional to 190,181.07, 262,131 and 151,817.67

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Solution

The fourth proportional to 190,181.07, 262,131 and 151,817.67 is: 209,253.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,181.07 : 262,131 = 151,817.67 : x
  2. Step 2: Convert to fraction form
    190,181.07/262,131 = 151,817.67/x
  3. Step 3: Cross multiply
    190,181.07x = 262,131 × 151,817.67
  4. Step 4: Simplify right side
    190,181.07x = 39,796,117,654.77
  5. Step 5: Solve for x
    x = 39,796,117,654.77/190,181.07
  6. Step 6: Final answer
    x = 209,253.83

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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.