Home / 282,284.46-389,553.94-154,960.06

Finding the Fourth Proportional to 282,284.46, 389,553.94 and 154,960.06

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Solution

The fourth proportional to 282,284.46, 389,553.94 and 154,960.06 is: 213,845.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,284.46 : 389,553.94 = 154,960.06 : x
  2. Step 2: Convert to fraction form
    282,284.46/389,553.94 = 154,960.06/x
  3. Step 3: Cross multiply
    282,284.46x = 389,553.94 × 154,960.06
  4. Step 4: Simplify right side
    282,284.46x = 60,365,301,915.64
  5. Step 5: Solve for x
    x = 60,365,301,915.64/282,284.46
  6. Step 6: Final answer
    x = 213,845.64

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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.