Home / 211,353.62-291,761.08-147,940.34

Finding the Fourth Proportional to 211,353.62, 291,761.08 and 147,940.34

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Solution

The fourth proportional to 211,353.62, 291,761.08 and 147,940.34 is: 204,222.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,353.62 : 291,761.08 = 147,940.34 : x
  2. Step 2: Convert to fraction form
    211,353.62/291,761.08 = 147,940.34/x
  3. Step 3: Cross multiply
    211,353.62x = 291,761.08 × 147,940.34
  4. Step 4: Simplify right side
    211,353.62x = 43,163,233,373.97
  5. Step 5: Solve for x
    x = 43,163,233,373.97/211,353.62
  6. Step 6: Final answer
    x = 204,222.83

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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.