Home / 219,215.23-328,832.40-69,466.57

Finding the Fourth Proportional to 219,215.23, 328,832.40 and 69,466.57

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Solution

The fourth proportional to 219,215.23, 328,832.40 and 69,466.57 is: 104,202.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,215.23 : 328,832.40 = 69,466.57 : x
  2. Step 2: Convert to fraction form
    219,215.23/328,832.40 = 69,466.57/x
  3. Step 3: Cross multiply
    219,215.23x = 328,832.40 × 69,466.57
  4. Step 4: Simplify right side
    219,215.23x = 22,842,858,932.87
  5. Step 5: Solve for x
    x = 22,842,858,932.87/219,215.23
  6. Step 6: Final answer
    x = 104,202.88

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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.