Home / 211,324.74-317,146.14-163,823.64

Finding the Fourth Proportional to 211,324.74, 317,146.14 and 163,823.64

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Solution

The fourth proportional to 211,324.74, 317,146.14 and 163,823.64 is: 245,858.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,324.74 : 317,146.14 = 163,823.64 : x
  2. Step 2: Convert to fraction form
    211,324.74/317,146.14 = 163,823.64/x
  3. Step 3: Cross multiply
    211,324.74x = 317,146.14 × 163,823.64
  4. Step 4: Simplify right side
    211,324.74x = 51,956,035,066.75
  5. Step 5: Solve for x
    x = 51,956,035,066.75/211,324.74
  6. Step 6: Final answer
    x = 245,858.74

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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.