Home / 213,863.30-295,127.78-118,367.94

Finding the Fourth Proportional to 213,863.30, 295,127.78 and 118,367.94

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Solution

The fourth proportional to 213,863.30, 295,127.78 and 118,367.94 is: 163,345.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,863.30 : 295,127.78 = 118,367.94 : x
  2. Step 2: Convert to fraction form
    213,863.30/295,127.78 = 118,367.94/x
  3. Step 3: Cross multiply
    213,863.30x = 295,127.78 × 118,367.94
  4. Step 4: Simplify right side
    213,863.30x = 34,933,666,763.53
  5. Step 5: Solve for x
    x = 34,933,666,763.53/213,863.30
  6. Step 6: Final answer
    x = 163,345.78

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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.