Home / 134,375.25-185,360.70-83,986.77

Finding the Fourth Proportional to 134,375.25, 185,360.70 and 83,986.77

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Solution

The fourth proportional to 134,375.25, 185,360.70 and 83,986.77 is: 115,853.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,375.25 : 185,360.70 = 83,986.77 : x
  2. Step 2: Convert to fraction form
    134,375.25/185,360.70 = 83,986.77/x
  3. Step 3: Cross multiply
    134,375.25x = 185,360.70 × 83,986.77
  4. Step 4: Simplify right side
    134,375.25x = 15,567,846,477.94
  5. Step 5: Solve for x
    x = 15,567,846,477.94/134,375.25
  6. Step 6: Final answer
    x = 115,853.53

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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.