Home / 147,219.85-203,148.13-82,696.33

Finding the Fourth Proportional to 147,219.85, 203,148.13 and 82,696.33

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Solution

The fourth proportional to 147,219.85, 203,148.13 and 82,696.33 is: 114,112.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,219.85 : 203,148.13 = 82,696.33 : x
  2. Step 2: Convert to fraction form
    147,219.85/203,148.13 = 82,696.33/x
  3. Step 3: Cross multiply
    147,219.85x = 203,148.13 × 82,696.33
  4. Step 4: Simplify right side
    147,219.85x = 16,799,604,797.36
  5. Step 5: Solve for x
    x = 16,799,604,797.36/147,219.85
  6. Step 6: Final answer
    x = 114,112.36

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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.