Home / 125,340.72-172,977.84-82,825.44

Finding the Fourth Proportional to 125,340.72, 172,977.84 and 82,825.44

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Solution

The fourth proportional to 125,340.72, 172,977.84 and 82,825.44 is: 114,304.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,340.72 : 172,977.84 = 82,825.44 : x
  2. Step 2: Convert to fraction form
    125,340.72/172,977.84 = 82,825.44/x
  3. Step 3: Cross multiply
    125,340.72x = 172,977.84 × 82,825.44
  4. Step 4: Simplify right side
    125,340.72x = 14,326,965,708.25
  5. Step 5: Solve for x
    x = 14,326,965,708.25/125,340.72
  6. Step 6: Final answer
    x = 114,304.16

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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.