Home / 194,145.18-291,259.34-109,945.14

Finding the Fourth Proportional to 194,145.18, 291,259.34 and 109,945.14

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Solution

The fourth proportional to 194,145.18, 291,259.34 and 109,945.14 is: 164,941.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,145.18 : 291,259.34 = 109,945.14 : x
  2. Step 2: Convert to fraction form
    194,145.18/291,259.34 = 109,945.14/x
  3. Step 3: Cross multiply
    194,145.18x = 291,259.34 × 109,945.14
  4. Step 4: Simplify right side
    194,145.18x = 32,022,548,912.61
  5. Step 5: Solve for x
    x = 32,022,548,912.61/194,145.18
  6. Step 6: Final answer
    x = 164,941.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.