Home / 190,003.55-262,181.85-109,457.15

Finding the Fourth Proportional to 190,003.55, 262,181.85 and 109,457.15

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Solution

The fourth proportional to 190,003.55, 262,181.85 and 109,457.15 is: 151,037.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,003.55 : 262,181.85 = 109,457.15 : x
  2. Step 2: Convert to fraction form
    190,003.55/262,181.85 = 109,457.15/x
  3. Step 3: Cross multiply
    190,003.55x = 262,181.85 × 109,457.15
  4. Step 4: Simplify right side
    190,003.55x = 28,697,678,082.73
  5. Step 5: Solve for x
    x = 28,697,678,082.73/190,003.55
  6. Step 6: Final answer
    x = 151,037.59

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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.