Home / 213,554.29-294,779.13-122,946.37

Finding the Fourth Proportional to 213,554.29, 294,779.13 and 122,946.37

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Solution

The fourth proportional to 213,554.29, 294,779.13 and 122,946.37 is: 169,708.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,554.29 : 294,779.13 = 122,946.37 : x
  2. Step 2: Convert to fraction form
    213,554.29/294,779.13 = 122,946.37/x
  3. Step 3: Cross multiply
    213,554.29x = 294,779.13 × 122,946.37
  4. Step 4: Simplify right side
    213,554.29x = 36,242,022,511.36
  5. Step 5: Solve for x
    x = 36,242,022,511.36/213,554.29
  6. Step 6: Final answer
    x = 169,708.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.