Home / 282,283.99-422,872.38-163,706.20

Finding the Fourth Proportional to 282,283.99, 422,872.38 and 163,706.20

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Solution

The fourth proportional to 282,283.99, 422,872.38 and 163,706.20 is: 245,238.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,283.99 : 422,872.38 = 163,706.20 : x
  2. Step 2: Convert to fraction form
    282,283.99/422,872.38 = 163,706.20/x
  3. Step 3: Cross multiply
    282,283.99x = 422,872.38 × 163,706.20
  4. Step 4: Simplify right side
    282,283.99x = 69,226,830,414.76
  5. Step 5: Solve for x
    x = 69,226,830,414.76/282,283.99
  6. Step 6: Final answer
    x = 245,238.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.