Home / 330,512.40-456,103.31-185,317.47

Finding the Fourth Proportional to 330,512.40, 456,103.31 and 185,317.47

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Solution

The fourth proportional to 330,512.40, 456,103.31 and 185,317.47 is: 255,735.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,512.40 : 456,103.31 = 185,317.47 : x
  2. Step 2: Convert to fraction form
    330,512.40/456,103.31 = 185,317.47/x
  3. Step 3: Cross multiply
    330,512.40x = 456,103.31 × 185,317.47
  4. Step 4: Simplify right side
    330,512.40x = 84,523,910,541.24
  5. Step 5: Solve for x
    x = 84,523,910,541.24/330,512.40
  6. Step 6: Final answer
    x = 255,735.97

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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.