Home / 330,688.82-456,348.67-183,512.21

Finding the Fourth Proportional to 330,688.82, 456,348.67 and 183,512.21

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Solution

The fourth proportional to 330,688.82, 456,348.67 and 183,512.21 is: 253,245.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,688.82 : 456,348.67 = 183,512.21 : x
  2. Step 2: Convert to fraction form
    330,688.82/456,348.67 = 183,512.21/x
  3. Step 3: Cross multiply
    330,688.82x = 456,348.67 × 183,512.21
  4. Step 4: Simplify right side
    330,688.82x = 83,745,550,221.74
  5. Step 5: Solve for x
    x = 83,745,550,221.74/330,688.82
  6. Step 6: Final answer
    x = 253,245.78

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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.