Home / 189,119.31-283,679.43-155,705.61

Finding the Fourth Proportional to 189,119.31, 283,679.43 and 155,705.61

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Solution

The fourth proportional to 189,119.31, 283,679.43 and 155,705.61 is: 233,558.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,119.31 : 283,679.43 = 155,705.61 : x
  2. Step 2: Convert to fraction form
    189,119.31/283,679.43 = 155,705.61/x
  3. Step 3: Cross multiply
    189,119.31x = 283,679.43 × 155,705.61
  4. Step 4: Simplify right side
    189,119.31x = 44,170,478,692.60
  5. Step 5: Solve for x
    x = 44,170,478,692.60/189,119.31
  6. Step 6: Final answer
    x = 233,558.80

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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.