Home / 136,049.12-204,125.52-122,855.84

Finding the Fourth Proportional to 136,049.12, 204,125.52 and 122,855.84

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Solution

The fourth proportional to 136,049.12, 204,125.52 and 122,855.84 is: 184,330.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,049.12 : 204,125.52 = 122,855.84 : x
  2. Step 2: Convert to fraction form
    136,049.12/204,125.52 = 122,855.84/x
  3. Step 3: Cross multiply
    136,049.12x = 204,125.52 × 122,855.84
  4. Step 4: Simplify right side
    136,049.12x = 25,078,012,225.04
  5. Step 5: Solve for x
    x = 25,078,012,225.04/136,049.12
  6. Step 6: Final answer
    x = 184,330.57

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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.