Home / 190,245.89-262,516.83-109,699.88

Finding the Fourth Proportional to 190,245.89, 262,516.83 and 109,699.88

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Solution

The fourth proportional to 190,245.89, 262,516.83 and 109,699.88 is: 151,372.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,245.89 : 262,516.83 = 109,699.88 : x
  2. Step 2: Convert to fraction form
    190,245.89/262,516.83 = 109,699.88/x
  3. Step 3: Cross multiply
    190,245.89x = 262,516.83 × 109,699.88
  4. Step 4: Simplify right side
    190,245.89x = 28,798,064,748.98
  5. Step 5: Solve for x
    x = 28,798,064,748.98/190,245.89
  6. Step 6: Final answer
    x = 151,372.86

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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.