Home / 219,127.56-328,692.30-69,368.58

Finding the Fourth Proportional to 219,127.56, 328,692.30 and 69,368.58

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Solution

The fourth proportional to 219,127.56, 328,692.30 and 69,368.58 is: 104,053.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,127.56 : 328,692.30 = 69,368.58 : x
  2. Step 2: Convert to fraction form
    219,127.56/328,692.30 = 69,368.58/x
  3. Step 3: Cross multiply
    219,127.56x = 328,692.30 × 69,368.58
  4. Step 4: Simplify right side
    219,127.56x = 22,800,918,107.93
  5. Step 5: Solve for x
    x = 22,800,918,107.93/219,127.56
  6. Step 6: Final answer
    x = 104,053.17

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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.