Home / 351,100.11-526,650.19-84,860.55

Finding the Fourth Proportional to 351,100.11, 526,650.19 and 84,860.55

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Solution

The fourth proportional to 351,100.11, 526,650.19 and 84,860.55 is: 127,290.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,100.11 : 526,650.19 = 84,860.55 : x
  2. Step 2: Convert to fraction form
    351,100.11/526,650.19 = 84,860.55/x
  3. Step 3: Cross multiply
    351,100.11x = 526,650.19 × 84,860.55
  4. Step 4: Simplify right side
    351,100.11x = 44,691,824,781.00
  5. Step 5: Solve for x
    x = 44,691,824,781.00/351,100.11
  6. Step 6: Final answer
    x = 127,290.83

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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.