Home / 197,111.40-295,667.10-180,781.80

Finding the Fourth Proportional to 197,111.40, 295,667.10 and 180,781.80

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Solution

The fourth proportional to 197,111.40, 295,667.10 and 180,781.80 is: 271,172.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,111.40 : 295,667.10 = 180,781.80 : x
  2. Step 2: Convert to fraction form
    197,111.40/295,667.10 = 180,781.80/x
  3. Step 3: Cross multiply
    197,111.40x = 295,667.10 × 180,781.80
  4. Step 4: Simplify right side
    197,111.40x = 53,451,230,538.78
  5. Step 5: Solve for x
    x = 53,451,230,538.78/197,111.40
  6. Step 6: Final answer
    x = 271,172.70

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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.