Home / 211,033.73-291,226.41-115,540.40

Finding the Fourth Proportional to 211,033.73, 291,226.41 and 115,540.40

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Solution

The fourth proportional to 211,033.73, 291,226.41 and 115,540.40 is: 159,445.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,033.73 : 291,226.41 = 115,540.40 : x
  2. Step 2: Convert to fraction form
    211,033.73/291,226.41 = 115,540.40/x
  3. Step 3: Cross multiply
    211,033.73x = 291,226.41 × 115,540.40
  4. Step 4: Simplify right side
    211,033.73x = 33,648,415,901.96
  5. Step 5: Solve for x
    x = 33,648,415,901.96/211,033.73
  6. Step 6: Final answer
    x = 159,445.68

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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.