Home / 128,847.57-193,289.58-40,110.03

Finding the Fourth Proportional to 128,847.57, 193,289.58 and 40,110.03

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Solution

The fourth proportional to 128,847.57, 193,289.58 and 40,110.03 is: 60,170.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,847.57 : 193,289.58 = 40,110.03 : x
  2. Step 2: Convert to fraction form
    128,847.57/193,289.58 = 40,110.03/x
  3. Step 3: Cross multiply
    128,847.57x = 193,289.58 × 40,110.03
  4. Step 4: Simplify right side
    128,847.57x = 7,752,850,852.49
  5. Step 5: Solve for x
    x = 7,752,850,852.49/128,847.57
  6. Step 6: Final answer
    x = 60,170.72

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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.