Home / 220,075.05-330,235.23-118,871.06

Finding the Fourth Proportional to 220,075.05, 330,235.23 and 118,871.06

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Solution

The fourth proportional to 220,075.05, 330,235.23 and 118,871.06 is: 178,372.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,075.05 : 330,235.23 = 118,871.06 : x
  2. Step 2: Convert to fraction form
    220,075.05/330,235.23 = 118,871.06/x
  3. Step 3: Cross multiply
    220,075.05x = 330,235.23 × 118,871.06
  4. Step 4: Simplify right side
    220,075.05x = 39,255,409,593.91
  5. Step 5: Solve for x
    x = 39,255,409,593.91/220,075.05
  6. Step 6: Final answer
    x = 178,372.83

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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.