Home / 147,504.24-203,542.20-83,829.60

Finding the Fourth Proportional to 147,504.24, 203,542.20 and 83,829.60

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Solution

The fourth proportional to 147,504.24, 203,542.20 and 83,829.60 is: 115,677.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,504.24 : 203,542.20 = 83,829.60 : x
  2. Step 2: Convert to fraction form
    147,504.24/203,542.20 = 83,829.60/x
  3. Step 3: Cross multiply
    147,504.24x = 203,542.20 × 83,829.60
  4. Step 4: Simplify right side
    147,504.24x = 17,062,861,209.12
  5. Step 5: Solve for x
    x = 17,062,861,209.12/147,504.24
  6. Step 6: Final answer
    x = 115,677.09

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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.