Home / 319,621.55-441,064.83-176,379.73

Finding the Fourth Proportional to 319,621.55, 441,064.83 and 176,379.73

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Solution

The fourth proportional to 319,621.55, 441,064.83 and 176,379.73 is: 243,396.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,621.55 : 441,064.83 = 176,379.73 : x
  2. Step 2: Convert to fraction form
    319,621.55/441,064.83 = 176,379.73/x
  3. Step 3: Cross multiply
    319,621.55x = 441,064.83 × 176,379.73
  4. Step 4: Simplify right side
    319,621.55x = 77,794,893,422.57
  5. Step 5: Solve for x
    x = 77,794,893,422.57/319,621.55
  6. Step 6: Final answer
    x = 243,396.90

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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.