Home / 123,133.23-184,710.33-38,870.85

Finding the Fourth Proportional to 123,133.23, 184,710.33 and 38,870.85

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Solution

The fourth proportional to 123,133.23, 184,710.33 and 38,870.85 is: 58,309.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,133.23 : 184,710.33 = 38,870.85 : x
  2. Step 2: Convert to fraction form
    123,133.23/184,710.33 = 38,870.85/x
  3. Step 3: Cross multiply
    123,133.23x = 184,710.33 × 38,870.85
  4. Step 4: Simplify right side
    123,133.23x = 7,179,847,530.88
  5. Step 5: Solve for x
    x = 7,179,847,530.88/123,133.23
  6. Step 6: Final answer
    x = 58,309.58

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1.5x scale

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.