Home / 282,405.34-389,760.15-169,238.62

Finding the Fourth Proportional to 282,405.34, 389,760.15 and 169,238.62

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Solution

The fourth proportional to 282,405.34, 389,760.15 and 169,238.62 is: 233,573.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,405.34 : 389,760.15 = 169,238.62 : x
  2. Step 2: Convert to fraction form
    282,405.34/389,760.15 = 169,238.62/x
  3. Step 3: Cross multiply
    282,405.34x = 389,760.15 × 169,238.62
  4. Step 4: Simplify right side
    282,405.34x = 65,962,469,916.99
  5. Step 5: Solve for x
    x = 65,962,469,916.99/282,405.34
  6. Step 6: Final answer
    x = 233,573.73

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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.