Home / 127,579.24-192,233.23-105,878.80

Finding the Fourth Proportional to 127,579.24, 192,233.23 and 105,878.80

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Solution

The fourth proportional to 127,579.24, 192,233.23 and 105,878.80 is: 159,535.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,579.24 : 192,233.23 = 105,878.80 : x
  2. Step 2: Convert to fraction form
    127,579.24/192,233.23 = 105,878.80/x
  3. Step 3: Cross multiply
    127,579.24x = 192,233.23 × 105,878.80
  4. Step 4: Simplify right side
    127,579.24x = 20,353,423,712.52
  5. Step 5: Solve for x
    x = 20,353,423,712.52/127,579.24
  6. Step 6: Final answer
    x = 159,535.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.