Home / 125,274.22-172,886.43-82,758.22

Finding the Fourth Proportional to 125,274.22, 172,886.43 and 82,758.22

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Solution

The fourth proportional to 125,274.22, 172,886.43 and 82,758.22 is: 114,211.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,274.22 : 172,886.43 = 82,758.22 : x
  2. Step 2: Convert to fraction form
    125,274.22/172,886.43 = 82,758.22/x
  3. Step 3: Cross multiply
    125,274.22x = 172,886.43 × 82,758.22
  4. Step 4: Simplify right side
    125,274.22x = 14,307,773,208.95
  5. Step 5: Solve for x
    x = 14,307,773,208.95/125,274.22
  6. Step 6: Final answer
    x = 114,211.63

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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.