Home / 181,715.64-250,755.04-113,729.76

Finding the Fourth Proportional to 181,715.64, 250,755.04 and 113,729.76

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Solution

The fourth proportional to 181,715.64, 250,755.04 and 113,729.76 is: 156,939.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,715.64 : 250,755.04 = 113,729.76 : x
  2. Step 2: Convert to fraction form
    181,715.64/250,755.04 = 113,729.76/x
  3. Step 3: Cross multiply
    181,715.64x = 250,755.04 × 113,729.76
  4. Step 4: Simplify right side
    181,715.64x = 28,518,310,517.99
  5. Step 5: Solve for x
    x = 28,518,310,517.99/181,715.64
  6. Step 6: Final answer
    x = 156,939.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.