Home / 104,946.16-144,821.46-57,198.48

Finding the Fourth Proportional to 104,946.16, 144,821.46 and 57,198.48

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Solution

The fourth proportional to 104,946.16, 144,821.46 and 57,198.48 is: 78,931.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,946.16 : 144,821.46 = 57,198.48 : x
  2. Step 2: Convert to fraction form
    104,946.16/144,821.46 = 57,198.48/x
  3. Step 3: Cross multiply
    104,946.16x = 144,821.46 × 57,198.48
  4. Step 4: Simplify right side
    104,946.16x = 8,283,567,383.38
  5. Step 5: Solve for x
    x = 8,283,567,383.38/104,946.16
  6. Step 6: Final answer
    x = 78,931.59

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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.