Home / 189,039.15-283,558.73-55,909.05

Finding the Fourth Proportional to 189,039.15, 283,558.73 and 55,909.05

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Solution

The fourth proportional to 189,039.15, 283,558.73 and 55,909.05 is: 83,863.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,039.15 : 283,558.73 = 55,909.05 : x
  2. Step 2: Convert to fraction form
    189,039.15/283,558.73 = 55,909.05/x
  3. Step 3: Cross multiply
    189,039.15x = 283,558.73 × 55,909.05
  4. Step 4: Simplify right side
    189,039.15x = 15,853,499,213.51
  5. Step 5: Solve for x
    x = 15,853,499,213.51/189,039.15
  6. Step 6: Final answer
    x = 83,863.58

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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.