Home / 211,270.22-316,906.06-53,498.60

Finding the Fourth Proportional to 211,270.22, 316,906.06 and 53,498.60

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Solution

The fourth proportional to 211,270.22, 316,906.06 and 53,498.60 is: 80,248.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,270.22 : 316,906.06 = 53,498.60 : x
  2. Step 2: Convert to fraction form
    211,270.22/316,906.06 = 53,498.60/x
  3. Step 3: Cross multiply
    211,270.22x = 316,906.06 × 53,498.60
  4. Step 4: Simplify right side
    211,270.22x = 16,954,030,541.52
  5. Step 5: Solve for x
    x = 16,954,030,541.52/211,270.22
  6. Step 6: Final answer
    x = 80,248.08

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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.