Home / 211,516.18-317,107.86-104,826.83

Finding the Fourth Proportional to 211,516.18, 317,107.86 and 104,826.83

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Solution

The fourth proportional to 211,516.18, 317,107.86 and 104,826.83 is: 157,157.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,516.18 : 317,107.86 = 104,826.83 : x
  2. Step 2: Convert to fraction form
    211,516.18/317,107.86 = 104,826.83/x
  3. Step 3: Cross multiply
    211,516.18x = 317,107.86 × 104,826.83
  4. Step 4: Simplify right side
    211,516.18x = 33,241,410,342.89
  5. Step 5: Solve for x
    x = 33,241,410,342.89/211,516.18
  6. Step 6: Final answer
    x = 157,157.77

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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.