Home / 330,445.27-456,012.89-187,204.97

Finding the Fourth Proportional to 330,445.27, 456,012.89 and 187,204.97

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Solution

The fourth proportional to 330,445.27, 456,012.89 and 187,204.97 is: 258,341.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,445.27 : 456,012.89 = 187,204.97 : x
  2. Step 2: Convert to fraction form
    330,445.27/456,012.89 = 187,204.97/x
  3. Step 3: Cross multiply
    330,445.27x = 456,012.89 × 187,204.97
  4. Step 4: Simplify right side
    330,445.27x = 85,367,880,298.09
  5. Step 5: Solve for x
    x = 85,367,880,298.09/330,445.27
  6. Step 6: Final answer
    x = 258,341.96

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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.