Home / 213,724.80-294,811.76-141,128.36

Finding the Fourth Proportional to 213,724.80, 294,811.76 and 141,128.36

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Solution

The fourth proportional to 213,724.80, 294,811.76 and 141,128.36 is: 194,672.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,724.80 : 294,811.76 = 141,128.36 : x
  2. Step 2: Convert to fraction form
    213,724.80/294,811.76 = 141,128.36/x
  3. Step 3: Cross multiply
    213,724.80x = 294,811.76 × 141,128.36
  4. Step 4: Simplify right side
    213,724.80x = 41,606,300,197.51
  5. Step 5: Solve for x
    x = 41,606,300,197.51/213,724.80
  6. Step 6: Final answer
    x = 194,672.31

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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.