Home / 128,415.41-192,575.22-44,151.72

Finding the Fourth Proportional to 128,415.41, 192,575.22 and 44,151.72

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Solution

The fourth proportional to 128,415.41, 192,575.22 and 44,151.72 is: 66,211.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,415.41 : 192,575.22 = 44,151.72 : x
  2. Step 2: Convert to fraction form
    128,415.41/192,575.22 = 44,151.72/x
  3. Step 3: Cross multiply
    128,415.41x = 192,575.22 × 44,151.72
  4. Step 4: Simplify right side
    128,415.41x = 8,502,527,192.38
  5. Step 5: Solve for x
    x = 8,502,527,192.38/128,415.41
  6. Step 6: Final answer
    x = 66,211.11

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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.