Home / 213,872.68-295,113.41-118,379.15

Finding the Fourth Proportional to 213,872.68, 295,113.41 and 118,379.15

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Solution

The fourth proportional to 213,872.68, 295,113.41 and 118,379.15 is: 163,346.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,872.68 : 295,113.41 = 118,379.15 : x
  2. Step 2: Convert to fraction form
    213,872.68/295,113.41 = 118,379.15/x
  3. Step 3: Cross multiply
    213,872.68x = 295,113.41 × 118,379.15
  4. Step 4: Simplify right side
    213,872.68x = 34,935,274,112.54
  5. Step 5: Solve for x
    x = 34,935,274,112.54/213,872.68
  6. Step 6: Final answer
    x = 163,346.13

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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.