Home / 213,939.72-295,247.70-118,456.92

Finding the Fourth Proportional to 213,939.72, 295,247.70 and 118,456.92

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Solution

The fourth proportional to 213,939.72, 295,247.70 and 118,456.92 is: 163,476.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,939.72 : 295,247.70 = 118,456.92 : x
  2. Step 2: Convert to fraction form
    213,939.72/295,247.70 = 118,456.92/x
  3. Step 3: Cross multiply
    213,939.72x = 295,247.70 × 118,456.92
  4. Step 4: Simplify right side
    213,939.72x = 34,974,133,179.08
  5. Step 5: Solve for x
    x = 34,974,133,179.08/213,939.72
  6. Step 6: Final answer
    x = 163,476.58

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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.