Home / 211,384.26-291,836.34-139,825.62

Finding the Fourth Proportional to 211,384.26, 291,836.34 and 139,825.62

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Solution

The fourth proportional to 211,384.26, 291,836.34 and 139,825.62 is: 193,042.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,384.26 : 291,836.34 = 139,825.62 : x
  2. Step 2: Convert to fraction form
    211,384.26/291,836.34 = 139,825.62/x
  3. Step 3: Cross multiply
    211,384.26x = 291,836.34 × 139,825.62
  4. Step 4: Simplify right side
    211,384.26x = 40,806,197,179.03
  5. Step 5: Solve for x
    x = 40,806,197,179.03/211,384.26
  6. Step 6: Final answer
    x = 193,042.74

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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.