Home / 220,923.18-331,075.84-119,502.28

Finding the Fourth Proportional to 220,923.18, 331,075.84 and 119,502.28

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Solution

The fourth proportional to 220,923.18, 331,075.84 and 119,502.28 is: 179,086.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,923.18 : 331,075.84 = 119,502.28 : x
  2. Step 2: Convert to fraction form
    220,923.18/331,075.84 = 119,502.28/x
  3. Step 3: Cross multiply
    220,923.18x = 331,075.84 × 119,502.28
  4. Step 4: Simplify right side
    220,923.18x = 39,564,317,732.92
  5. Step 5: Solve for x
    x = 39,564,317,732.92/220,923.18
  6. Step 6: Final answer
    x = 179,086.31

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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.