Home / 213,765.36-295,004.88-118,270.50

Finding the Fourth Proportional to 213,765.36, 295,004.88 and 118,270.50

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Solution

The fourth proportional to 213,765.36, 295,004.88 and 118,270.50 is: 163,218.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,765.36 : 295,004.88 = 118,270.50 : x
  2. Step 2: Convert to fraction form
    213,765.36/295,004.88 = 118,270.50/x
  3. Step 3: Cross multiply
    213,765.36x = 295,004.88 × 118,270.50
  4. Step 4: Simplify right side
    213,765.36x = 34,890,374,660.04
  5. Step 5: Solve for x
    x = 34,890,374,660.04/213,765.36
  6. Step 6: Final answer
    x = 163,218.09

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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.