Home / 213,890.12-295,137.47-118,396.59

Finding the Fourth Proportional to 213,890.12, 295,137.47 and 118,396.59

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Solution

The fourth proportional to 213,890.12, 295,137.47 and 118,396.59 is: 163,370.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,890.12 : 295,137.47 = 118,396.59 : x
  2. Step 2: Convert to fraction form
    213,890.12/295,137.47 = 118,396.59/x
  3. Step 3: Cross multiply
    213,890.12x = 295,137.47 × 118,396.59
  4. Step 4: Simplify right side
    213,890.12x = 34,943,269,218.45
  5. Step 5: Solve for x
    x = 34,943,269,218.45/213,890.12
  6. Step 6: Final answer
    x = 163,370.19

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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.