Home / 219,185.20-328,680.60-100,892.80

Finding the Fourth Proportional to 219,185.20, 328,680.60 and 100,892.80

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Solution

The fourth proportional to 219,185.20, 328,680.60 and 100,892.80 is: 151,294.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,185.20 : 328,680.60 = 100,892.80 : x
  2. Step 2: Convert to fraction form
    219,185.20/328,680.60 = 100,892.80/x
  3. Step 3: Cross multiply
    219,185.20x = 328,680.60 × 100,892.80
  4. Step 4: Simplify right side
    219,185.20x = 33,161,506,039.68
  5. Step 5: Solve for x
    x = 33,161,506,039.68/219,185.20
  6. Step 6: Final answer
    x = 151,294.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.