Home / 211,734.65-317,535.02-69,556.56

Finding the Fourth Proportional to 211,734.65, 317,535.02 and 69,556.56

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Solution

The fourth proportional to 211,734.65, 317,535.02 and 69,556.56 is: 104,312.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,734.65 : 317,535.02 = 69,556.56 : x
  2. Step 2: Convert to fraction form
    211,734.65/317,535.02 = 69,556.56/x
  3. Step 3: Cross multiply
    211,734.65x = 317,535.02 × 69,556.56
  4. Step 4: Simplify right side
    211,734.65x = 22,086,643,322.95
  5. Step 5: Solve for x
    x = 22,086,643,322.95/211,734.65
  6. Step 6: Final answer
    x = 104,312.85

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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.