Home / 319,927.75-441,500.30-185,800.39

Finding the Fourth Proportional to 319,927.75, 441,500.30 and 185,800.39

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Solution

The fourth proportional to 319,927.75, 441,500.30 and 185,800.39 is: 256,404.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,927.75 : 441,500.30 = 185,800.39 : x
  2. Step 2: Convert to fraction form
    319,927.75/441,500.30 = 185,800.39/x
  3. Step 3: Cross multiply
    319,927.75x = 441,500.30 × 185,800.39
  4. Step 4: Simplify right side
    319,927.75x = 82,030,927,925.12
  5. Step 5: Solve for x
    x = 82,030,927,925.12/319,927.75
  6. Step 6: Final answer
    x = 256,404.54

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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.