Home / 256,292.82-384,521.45-123,182.69

Finding the Fourth Proportional to 256,292.82, 384,521.45 and 123,182.69

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Solution

The fourth proportional to 256,292.82, 384,521.45 and 123,182.69 is: 184,813.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,292.82 : 384,521.45 = 123,182.69 : x
  2. Step 2: Convert to fraction form
    256,292.82/384,521.45 = 123,182.69/x
  3. Step 3: Cross multiply
    256,292.82x = 384,521.45 × 123,182.69
  4. Step 4: Simplify right side
    256,292.82x = 47,366,384,035.18
  5. Step 5: Solve for x
    x = 47,366,384,035.18/256,292.82
  6. Step 6: Final answer
    x = 184,813.54

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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.