Home / 211,600.64-317,399.52-53,827.68

Finding the Fourth Proportional to 211,600.64, 317,399.52 and 53,827.68

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Solution

The fourth proportional to 211,600.64, 317,399.52 and 53,827.68 is: 80,741.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,600.64 : 317,399.52 = 53,827.68 : x
  2. Step 2: Convert to fraction form
    211,600.64/317,399.52 = 53,827.68/x
  3. Step 3: Cross multiply
    211,600.64x = 317,399.52 × 53,827.68
  4. Step 4: Simplify right side
    211,600.64x = 17,084,879,794.71
  5. Step 5: Solve for x
    x = 17,084,879,794.71/211,600.64
  6. Step 6: Final answer
    x = 80,741.15

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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.