Home / 197,140.30-295,710.45-91,969.90

Finding the Fourth Proportional to 197,140.30, 295,710.45 and 91,969.90

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Solution

The fourth proportional to 197,140.30, 295,710.45 and 91,969.90 is: 137,954.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,140.30 : 295,710.45 = 91,969.90 : x
  2. Step 2: Convert to fraction form
    197,140.30/295,710.45 = 91,969.90/x
  3. Step 3: Cross multiply
    197,140.30x = 295,710.45 × 91,969.90
  4. Step 4: Simplify right side
    197,140.30x = 27,196,460,515.46
  5. Step 5: Solve for x
    x = 27,196,460,515.46/197,140.30
  6. Step 6: Final answer
    x = 137,954.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.