Home / 115,556.80-173,335.20-95,857.60

Finding the Fourth Proportional to 115,556.80, 173,335.20 and 95,857.60

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Solution

The fourth proportional to 115,556.80, 173,335.20 and 95,857.60 is: 143,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,556.80 : 173,335.20 = 95,857.60 : x
  2. Step 2: Convert to fraction form
    115,556.80/173,335.20 = 95,857.60/x
  3. Step 3: Cross multiply
    115,556.80x = 173,335.20 × 95,857.60
  4. Step 4: Simplify right side
    115,556.80x = 16,615,496,267.52
  5. Step 5: Solve for x
    x = 16,615,496,267.52/115,556.80
  6. Step 6: Final answer
    x = 143,786.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.