Home / 123,082.20-184,709.70-53,011.80

Finding the Fourth Proportional to 123,082.20, 184,709.70 and 53,011.80

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Solution

The fourth proportional to 123,082.20, 184,709.70 and 53,011.80 is: 79,554.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,082.20 : 184,709.70 = 53,011.80 : x
  2. Step 2: Convert to fraction form
    123,082.20/184,709.70 = 53,011.80/x
  3. Step 3: Cross multiply
    123,082.20x = 184,709.70 × 53,011.80
  4. Step 4: Simplify right side
    123,082.20x = 9,791,793,674.46
  5. Step 5: Solve for x
    x = 9,791,793,674.46/123,082.20
  6. Step 6: Final answer
    x = 79,554.91

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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.