Home / 128,381.50-192,525.02-44,117.74

Finding the Fourth Proportional to 128,381.50, 192,525.02 and 44,117.74

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Solution

The fourth proportional to 128,381.50, 192,525.02 and 44,117.74 is: 66,160.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,381.50 : 192,525.02 = 44,117.74 : x
  2. Step 2: Convert to fraction form
    128,381.50/192,525.02 = 44,117.74/x
  3. Step 3: Cross multiply
    128,381.50x = 192,525.02 × 44,117.74
  4. Step 4: Simplify right side
    128,381.50x = 8,493,768,775.85
  5. Step 5: Solve for x
    x = 8,493,768,775.85/128,381.50
  6. Step 6: Final answer
    x = 66,160.38

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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.