Home / 330,012.30-455,424.22-186,772.44

Finding the Fourth Proportional to 330,012.30, 455,424.22 and 186,772.44

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Solution

The fourth proportional to 330,012.30, 455,424.22 and 186,772.44 is: 257,750.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,012.30 : 455,424.22 = 186,772.44 : x
  2. Step 2: Convert to fraction form
    330,012.30/455,424.22 = 186,772.44/x
  3. Step 3: Cross multiply
    330,012.30x = 455,424.22 × 186,772.44
  4. Step 4: Simplify right side
    330,012.30x = 85,060,692,804.50
  5. Step 5: Solve for x
    x = 85,060,692,804.50/330,012.30
  6. Step 6: Final answer
    x = 257,750.07

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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.