Home / 213,409.92-294,567.06-140,865.76

Finding the Fourth Proportional to 213,409.92, 294,567.06 and 140,865.76

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Solution

The fourth proportional to 213,409.92, 294,567.06 and 140,865.76 is: 194,435.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,409.92 : 294,567.06 = 140,865.76 : x
  2. Step 2: Convert to fraction form
    213,409.92/294,567.06 = 140,865.76/x
  3. Step 3: Cross multiply
    213,409.92x = 294,567.06 × 140,865.76
  4. Step 4: Simplify right side
    213,409.92x = 41,494,412,777.87
  5. Step 5: Solve for x
    x = 41,494,412,777.87/213,409.92
  6. Step 6: Final answer
    x = 194,435.26

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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.