Home / 211,160.20-291,400.59-114,363.76

Finding the Fourth Proportional to 211,160.20, 291,400.59 and 114,363.76

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Solution

The fourth proportional to 211,160.20, 291,400.59 and 114,363.76 is: 157,821.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,160.20 : 291,400.59 = 114,363.76 : x
  2. Step 2: Convert to fraction form
    211,160.20/291,400.59 = 114,363.76/x
  3. Step 3: Cross multiply
    211,160.20x = 291,400.59 × 114,363.76
  4. Step 4: Simplify right side
    211,160.20x = 33,325,667,138.62
  5. Step 5: Solve for x
    x = 33,325,667,138.62/211,160.20
  6. Step 6: Final answer
    x = 157,821.73

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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.