Home / 147,226.88-203,179.20-83,570.60

Finding the Fourth Proportional to 147,226.88, 203,179.20 and 83,570.60

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Solution

The fourth proportional to 147,226.88, 203,179.20 and 83,570.60 is: 115,330.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,226.88 : 203,179.20 = 83,570.60 : x
  2. Step 2: Convert to fraction form
    147,226.88/203,179.20 = 83,570.60/x
  3. Step 3: Cross multiply
    147,226.88x = 203,179.20 × 83,570.60
  4. Step 4: Simplify right side
    147,226.88x = 16,979,807,651.52
  5. Step 5: Solve for x
    x = 16,979,807,651.52/147,226.88
  6. Step 6: Final answer
    x = 115,330.89

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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.