Home / 151,370.80-208,883.56-83,385.44

Finding the Fourth Proportional to 151,370.80, 208,883.56 and 83,385.44

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Solution

The fourth proportional to 151,370.80, 208,883.56 and 83,385.44 is: 115,067.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,370.80 : 208,883.56 = 83,385.44 : x
  2. Step 2: Convert to fraction form
    151,370.80/208,883.56 = 83,385.44/x
  3. Step 3: Cross multiply
    151,370.80x = 208,883.56 × 83,385.44
  4. Step 4: Simplify right side
    151,370.80x = 17,417,847,559.37
  5. Step 5: Solve for x
    x = 17,417,847,559.37/151,370.80
  6. Step 6: Final answer
    x = 115,067.42

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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.