Home / 306,733.56-423,193.86-185,836.20

Finding the Fourth Proportional to 306,733.56, 423,193.86 and 185,836.20

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Solution

The fourth proportional to 306,733.56, 423,193.86 and 185,836.20 is: 256,394.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,733.56 : 423,193.86 = 185,836.20 : x
  2. Step 2: Convert to fraction form
    306,733.56/423,193.86 = 185,836.20/x
  3. Step 3: Cross multiply
    306,733.56x = 423,193.86 × 185,836.20
  4. Step 4: Simplify right side
    306,733.56x = 78,644,738,805.73
  5. Step 5: Solve for x
    x = 78,644,738,805.73/306,733.56
  6. Step 6: Final answer
    x = 256,394.31

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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.