Home / 189,022.96-260,797.56-112,478.08

Finding the Fourth Proportional to 189,022.96, 260,797.56 and 112,478.08

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Solution

The fourth proportional to 189,022.96, 260,797.56 and 112,478.08 is: 155,187.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,022.96 : 260,797.56 = 112,478.08 : x
  2. Step 2: Convert to fraction form
    189,022.96/260,797.56 = 112,478.08/x
  3. Step 3: Cross multiply
    189,022.96x = 260,797.56 × 112,478.08
  4. Step 4: Simplify right side
    189,022.96x = 29,334,008,817.48
  5. Step 5: Solve for x
    x = 29,334,008,817.48/189,022.96
  6. Step 6: Final answer
    x = 155,187.54

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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.