Home / 219,026.70-328,540.05-196,908.30

Finding the Fourth Proportional to 219,026.70, 328,540.05 and 196,908.30

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Solution

The fourth proportional to 219,026.70, 328,540.05 and 196,908.30 is: 295,362.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,026.70 : 328,540.05 = 196,908.30 : x
  2. Step 2: Convert to fraction form
    219,026.70/328,540.05 = 196,908.30/x
  3. Step 3: Cross multiply
    219,026.70x = 328,540.05 × 196,908.30
  4. Step 4: Simplify right side
    219,026.70x = 64,692,262,727.42
  5. Step 5: Solve for x
    x = 64,692,262,727.42/219,026.70
  6. Step 6: Final answer
    x = 295,362.45

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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.