Home / 189,022.32-260,888.58-108,504.28

Finding the Fourth Proportional to 189,022.32, 260,888.58 and 108,504.28

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Solution

The fourth proportional to 189,022.32, 260,888.58 and 108,504.28 is: 149,757.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,022.32 : 260,888.58 = 108,504.28 : x
  2. Step 2: Convert to fraction form
    189,022.32/260,888.58 = 108,504.28/x
  3. Step 3: Cross multiply
    189,022.32x = 260,888.58 × 108,504.28
  4. Step 4: Simplify right side
    189,022.32x = 28,307,527,533.12
  5. Step 5: Solve for x
    x = 28,307,527,533.12/189,022.32
  6. Step 6: Final answer
    x = 149,757.59

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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.