Home / 384,170.36-576,283.38-147,513.04

Finding the Fourth Proportional to 384,170.36, 576,283.38 and 147,513.04

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Solution

The fourth proportional to 384,170.36, 576,283.38 and 147,513.04 is: 221,280.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,170.36 : 576,283.38 = 147,513.04 : x
  2. Step 2: Convert to fraction form
    384,170.36/576,283.38 = 147,513.04/x
  3. Step 3: Cross multiply
    384,170.36x = 576,283.38 × 147,513.04
  4. Step 4: Simplify right side
    384,170.36x = 85,009,311,725.64
  5. Step 5: Solve for x
    x = 85,009,311,725.64/384,170.36
  6. Step 6: Final answer
    x = 221,280.25

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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.