Home / 282,066.36-389,261.72-154,745.70

Finding the Fourth Proportional to 282,066.36, 389,261.72 and 154,745.70

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Solution

The fourth proportional to 282,066.36, 389,261.72 and 154,745.70 is: 213,554.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,066.36 : 389,261.72 = 154,745.70 : x
  2. Step 2: Convert to fraction form
    282,066.36/389,261.72 = 154,745.70/x
  3. Step 3: Cross multiply
    282,066.36x = 389,261.72 × 154,745.70
  4. Step 4: Simplify right side
    282,066.36x = 60,236,577,344.60
  5. Step 5: Solve for x
    x = 60,236,577,344.60/282,066.36
  6. Step 6: Final answer
    x = 213,554.63

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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.