Home / 306,056.02-422,348.76-170,086.44

Finding the Fourth Proportional to 306,056.02, 422,348.76 and 170,086.44

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Solution

The fourth proportional to 306,056.02, 422,348.76 and 170,086.44 is: 234,714.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,056.02 : 422,348.76 = 170,086.44 : x
  2. Step 2: Convert to fraction form
    306,056.02/422,348.76 = 170,086.44/x
  3. Step 3: Cross multiply
    306,056.02x = 422,348.76 × 170,086.44
  4. Step 4: Simplify right side
    306,056.02x = 71,835,797,026.81
  5. Step 5: Solve for x
    x = 71,835,797,026.81/306,056.02
  6. Step 6: Final answer
    x = 234,714.54

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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.