Home / 120,355.80-180,557.96-82,933.80

Finding the Fourth Proportional to 120,355.80, 180,557.96 and 82,933.80

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Solution

The fourth proportional to 120,355.80, 180,557.96 and 82,933.80 is: 124,417.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,355.80 : 180,557.96 = 82,933.80 : x
  2. Step 2: Convert to fraction form
    120,355.80/180,557.96 = 82,933.80/x
  3. Step 3: Cross multiply
    120,355.80x = 180,557.96 × 82,933.80
  4. Step 4: Simplify right side
    120,355.80x = 14,974,357,743.05
  5. Step 5: Solve for x
    x = 14,974,357,743.05/120,355.80
  6. Step 6: Final answer
    x = 124,417.42

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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.