Home / 211,904.54-317,821.86-69,751.67

Finding the Fourth Proportional to 211,904.54, 317,821.86 and 69,751.67

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Solution

The fourth proportional to 211,904.54, 317,821.86 and 69,751.67 is: 104,616.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,904.54 : 317,821.86 = 69,751.67 : x
  2. Step 2: Convert to fraction form
    211,904.54/317,821.86 = 69,751.67/x
  3. Step 3: Cross multiply
    211,904.54x = 317,821.86 × 69,751.67
  4. Step 4: Simplify right side
    211,904.54x = 22,168,605,497.51
  5. Step 5: Solve for x
    x = 22,168,605,497.51/211,904.54
  6. Step 6: Final answer
    x = 104,616.00

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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.