Home / 213,897.26-321,161.30-119,312.24

Finding the Fourth Proportional to 213,897.26, 321,161.30 and 119,312.24

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Solution

The fourth proportional to 213,897.26, 321,161.30 and 119,312.24 is: 179,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,897.26 : 321,161.30 = 119,312.24 : x
  2. Step 2: Convert to fraction form
    213,897.26/321,161.30 = 119,312.24/x
  3. Step 3: Cross multiply
    213,897.26x = 321,161.30 × 119,312.24
  4. Step 4: Simplify right side
    213,897.26x = 38,318,474,104.31
  5. Step 5: Solve for x
    x = 38,318,474,104.31/213,897.26
  6. Step 6: Final answer
    x = 179,144.30

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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.