Home / 120,206.48-180,351.08-53,692.52

Finding the Fourth Proportional to 120,206.48, 180,351.08 and 53,692.52

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Solution

The fourth proportional to 120,206.48, 180,351.08 and 53,692.52 is: 80,557.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,206.48 : 180,351.08 = 53,692.52 : x
  2. Step 2: Convert to fraction form
    120,206.48/180,351.08 = 53,692.52/x
  3. Step 3: Cross multiply
    120,206.48x = 180,351.08 × 53,692.52
  4. Step 4: Simplify right side
    120,206.48x = 9,683,503,969.92
  5. Step 5: Solve for x
    x = 9,683,503,969.92/120,206.48
  6. Step 6: Final answer
    x = 80,557.25

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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.