Home / 318,245.63-439,182.20-175,006.73

Finding the Fourth Proportional to 318,245.63, 439,182.20 and 175,006.73

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Solution

The fourth proportional to 318,245.63, 439,182.20 and 175,006.73 is: 241,511.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,245.63 : 439,182.20 = 175,006.73 : x
  2. Step 2: Convert to fraction form
    318,245.63/439,182.20 = 175,006.73/x
  3. Step 3: Cross multiply
    318,245.63x = 439,182.20 × 175,006.73
  4. Step 4: Simplify right side
    318,245.63x = 76,859,840,696.21
  5. Step 5: Solve for x
    x = 76,859,840,696.21/318,245.63
  6. Step 6: Final answer
    x = 241,511.06

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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.