Home / 282,192.31-389,432.78-161,353.27

Finding the Fourth Proportional to 282,192.31, 389,432.78 and 161,353.27

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Solution

The fourth proportional to 282,192.31, 389,432.78 and 161,353.27 is: 222,671.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,192.31 : 389,432.78 = 161,353.27 : x
  2. Step 2: Convert to fraction form
    282,192.31/389,432.78 = 161,353.27/x
  3. Step 3: Cross multiply
    282,192.31x = 389,432.78 × 161,353.27
  4. Step 4: Simplify right side
    282,192.31x = 62,836,252,498.19
  5. Step 5: Solve for x
    x = 62,836,252,498.19/282,192.31
  6. Step 6: Final answer
    x = 222,671.74

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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.