Home / 211,969.48-317,658.88-159,317.56

Finding the Fourth Proportional to 211,969.48, 317,658.88 and 159,317.56

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Solution

The fourth proportional to 211,969.48, 317,658.88 and 159,317.56 is: 238,754.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,969.48 : 317,658.88 = 159,317.56 : x
  2. Step 2: Convert to fraction form
    211,969.48/317,658.88 = 159,317.56/x
  3. Step 3: Cross multiply
    211,969.48x = 317,658.88 × 159,317.56
  4. Step 4: Simplify right side
    211,969.48x = 50,608,637,673.93
  5. Step 5: Solve for x
    x = 50,608,637,673.93/211,969.48
  6. Step 6: Final answer
    x = 238,754.36

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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.