Home / 129,423.15-192,767.38-123,664.59

Finding the Fourth Proportional to 129,423.15, 192,767.38 and 123,664.59

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Solution

The fourth proportional to 129,423.15, 192,767.38 and 123,664.59 is: 184,190.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,423.15 : 192,767.38 = 123,664.59 : x
  2. Step 2: Convert to fraction form
    129,423.15/192,767.38 = 123,664.59/x
  3. Step 3: Cross multiply
    129,423.15x = 192,767.38 × 123,664.59
  4. Step 4: Simplify right side
    129,423.15x = 23,838,498,703.91
  5. Step 5: Solve for x
    x = 23,838,498,703.91/129,423.15
  6. Step 6: Final answer
    x = 184,190.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.