Home / 282,025.19-389,219.34-154,725.39

Finding the Fourth Proportional to 282,025.19, 389,219.34 and 154,725.39

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Solution

The fourth proportional to 282,025.19, 389,219.34 and 154,725.39 is: 213,534.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,025.19 : 389,219.34 = 154,725.39 : x
  2. Step 2: Convert to fraction form
    282,025.19/389,219.34 = 154,725.39/x
  3. Step 3: Cross multiply
    282,025.19x = 389,219.34 × 154,725.39
  4. Step 4: Simplify right side
    282,025.19x = 60,222,114,757.26
  5. Step 5: Solve for x
    x = 60,222,114,757.26/282,025.19
  6. Step 6: Final answer
    x = 213,534.52

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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.