Home / 127,675.38-176,198.31-71,085.54

Finding the Fourth Proportional to 127,675.38, 176,198.31 and 71,085.54

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Solution

The fourth proportional to 127,675.38, 176,198.31 and 71,085.54 is: 98,101.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,675.38 : 176,198.31 = 71,085.54 : x
  2. Step 2: Convert to fraction form
    127,675.38/176,198.31 = 71,085.54/x
  3. Step 3: Cross multiply
    127,675.38x = 176,198.31 × 71,085.54
  4. Step 4: Simplify right side
    127,675.38x = 12,525,152,013.44
  5. Step 5: Solve for x
    x = 12,525,152,013.44/127,675.38
  6. Step 6: Final answer
    x = 98,101.54

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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.