Home / 211,740.64-317,544.02-69,562.56

Finding the Fourth Proportional to 211,740.64, 317,544.02 and 69,562.56

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Solution

The fourth proportional to 211,740.64, 317,544.02 and 69,562.56 is: 104,321.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,740.64 : 317,544.02 = 69,562.56 : x
  2. Step 2: Convert to fraction form
    211,740.64/317,544.02 = 69,562.56/x
  3. Step 3: Cross multiply
    211,740.64x = 317,544.02 × 69,562.56
  4. Step 4: Simplify right side
    211,740.64x = 22,089,174,943.89
  5. Step 5: Solve for x
    x = 22,089,174,943.89/211,740.64
  6. Step 6: Final answer
    x = 104,321.85

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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.