Home / 187,480.86-281,222.07-45,325.92

Finding the Fourth Proportional to 187,480.86, 281,222.07 and 45,325.92

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Solution

The fourth proportional to 187,480.86, 281,222.07 and 45,325.92 is: 67,989.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,480.86 : 281,222.07 = 45,325.92 : x
  2. Step 2: Convert to fraction form
    187,480.86/281,222.07 = 45,325.92/x
  3. Step 3: Cross multiply
    187,480.86x = 281,222.07 × 45,325.92
  4. Step 4: Simplify right side
    187,480.86x = 12,746,649,047.05
  5. Step 5: Solve for x
    x = 12,746,649,047.05/187,480.86
  6. Step 6: Final answer
    x = 67,989.07

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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.