Home / 319,076.18-478,800.30-119,536.73

Finding the Fourth Proportional to 319,076.18, 478,800.30 and 119,536.73

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Solution

The fourth proportional to 319,076.18, 478,800.30 and 119,536.73 is: 179,374.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,076.18 : 478,800.30 = 119,536.73 : x
  2. Step 2: Convert to fraction form
    319,076.18/478,800.30 = 119,536.73/x
  3. Step 3: Cross multiply
    319,076.18x = 478,800.30 × 119,536.73
  4. Step 4: Simplify right side
    319,076.18x = 57,234,222,185.02
  5. Step 5: Solve for x
    x = 57,234,222,185.02/319,076.18
  6. Step 6: Final answer
    x = 179,374.79

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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.