Home / 140,015.36-193,221.24-76,351.52

Finding the Fourth Proportional to 140,015.36, 193,221.24 and 76,351.52

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Solution

The fourth proportional to 140,015.36, 193,221.24 and 76,351.52 is: 105,365.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,015.36 : 193,221.24 = 76,351.52 : x
  2. Step 2: Convert to fraction form
    140,015.36/193,221.24 = 76,351.52/x
  3. Step 3: Cross multiply
    140,015.36x = 193,221.24 × 76,351.52
  4. Step 4: Simplify right side
    140,015.36x = 14,752,735,370.28
  5. Step 5: Solve for x
    x = 14,752,735,370.28/140,015.36
  6. Step 6: Final answer
    x = 105,365.12

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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.