Home / 147,187.80-203,107.58-83,525.60

Finding the Fourth Proportional to 147,187.80, 203,107.58 and 83,525.60

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Solution

The fourth proportional to 147,187.80, 203,107.58 and 83,525.60 is: 115,258.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,187.80 : 203,107.58 = 83,525.60 : x
  2. Step 2: Convert to fraction form
    147,187.80/203,107.58 = 83,525.60/x
  3. Step 3: Cross multiply
    147,187.80x = 203,107.58 × 83,525.60
  4. Step 4: Simplify right side
    147,187.80x = 16,964,682,214.76
  5. Step 5: Solve for x
    x = 16,964,682,214.76/147,187.80
  6. Step 6: Final answer
    x = 115,258.75

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1.5x scale

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.