Home / 217,863.04-300,684.37-133,029.76

Finding the Fourth Proportional to 217,863.04, 300,684.37 and 133,029.76

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Solution

The fourth proportional to 217,863.04, 300,684.37 and 133,029.76 is: 183,601.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,863.04 : 300,684.37 = 133,029.76 : x
  2. Step 2: Convert to fraction form
    217,863.04/300,684.37 = 133,029.76/x
  3. Step 3: Cross multiply
    217,863.04x = 300,684.37 × 133,029.76
  4. Step 4: Simplify right side
    217,863.04x = 39,999,969,576.85
  5. Step 5: Solve for x
    x = 39,999,969,576.85/217,863.04
  6. Step 6: Final answer
    x = 183,601.45

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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.