Home / 147,245.04-203,193.69-81,833.64

Finding the Fourth Proportional to 147,245.04, 203,193.69 and 81,833.64

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Solution

The fourth proportional to 147,245.04, 203,193.69 and 81,833.64 is: 112,927.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,245.04 : 203,193.69 = 81,833.64 : x
  2. Step 2: Convert to fraction form
    147,245.04/203,193.69 = 81,833.64/x
  3. Step 3: Cross multiply
    147,245.04x = 203,193.69 × 81,833.64
  4. Step 4: Simplify right side
    147,245.04x = 16,628,079,277.73
  5. Step 5: Solve for x
    x = 16,628,079,277.73/147,245.04
  6. Step 6: Final answer
    x = 112,927.94

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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.