Home / 211,968.27-317,999.12-117,336.49

Finding the Fourth Proportional to 211,968.27, 317,999.12 and 117,336.49

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Solution

The fourth proportional to 211,968.27, 317,999.12 and 117,336.49 is: 176,030.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,968.27 : 317,999.12 = 117,336.49 : x
  2. Step 2: Convert to fraction form
    211,968.27/317,999.12 = 117,336.49/x
  3. Step 3: Cross multiply
    211,968.27x = 317,999.12 × 117,336.49
  4. Step 4: Simplify right side
    211,968.27x = 37,312,900,563.89
  5. Step 5: Solve for x
    x = 37,312,900,563.89/211,968.27
  6. Step 6: Final answer
    x = 176,030.59

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1.5x scale

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.