Home / 211,633.59-317,554.19-99,322.94

Finding the Fourth Proportional to 211,633.59, 317,554.19 and 99,322.94

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Solution

The fourth proportional to 211,633.59, 317,554.19 and 99,322.94 is: 149,033.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,633.59 : 317,554.19 = 99,322.94 : x
  2. Step 2: Convert to fraction form
    211,633.59/317,554.19 = 99,322.94/x
  3. Step 3: Cross multiply
    211,633.59x = 317,554.19 × 99,322.94
  4. Step 4: Simplify right side
    211,633.59x = 31,540,413,675.73
  5. Step 5: Solve for x
    x = 31,540,413,675.73/211,633.59
  6. Step 6: Final answer
    x = 149,033.12

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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.