Home / 282,122.07-389,335.26-154,797.57

Finding the Fourth Proportional to 282,122.07, 389,335.26 and 154,797.57

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Solution

The fourth proportional to 282,122.07, 389,335.26 and 154,797.57 is: 213,624.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,122.07 : 389,335.26 = 154,797.57 : x
  2. Step 2: Convert to fraction form
    282,122.07/389,335.26 = 154,797.57/x
  3. Step 3: Cross multiply
    282,122.07x = 389,335.26 × 154,797.57
  4. Step 4: Simplify right side
    282,122.07x = 60,268,152,163.32
  5. Step 5: Solve for x
    x = 60,268,152,163.32/282,122.07
  6. Step 6: Final answer
    x = 213,624.38

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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.