Home / 189,256.46-283,930.25-70,928.82

Finding the Fourth Proportional to 189,256.46, 283,930.25 and 70,928.82

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Solution

The fourth proportional to 189,256.46, 283,930.25 and 70,928.82 is: 106,410.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,256.46 : 283,930.25 = 70,928.82 : x
  2. Step 2: Convert to fraction form
    189,256.46/283,930.25 = 70,928.82/x
  3. Step 3: Cross multiply
    189,256.46x = 283,930.25 × 70,928.82
  4. Step 4: Simplify right side
    189,256.46x = 20,138,837,240.16
  5. Step 5: Solve for x
    x = 20,138,837,240.16/189,256.46
  6. Step 6: Final answer
    x = 106,410.31

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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.