Home / 111,614.46-154,068.39-73,900.86

Finding the Fourth Proportional to 111,614.46, 154,068.39 and 73,900.86

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Solution

The fourth proportional to 111,614.46, 154,068.39 and 73,900.86 is: 102,009.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,614.46 : 154,068.39 = 73,900.86 : x
  2. Step 2: Convert to fraction form
    111,614.46/154,068.39 = 73,900.86/x
  3. Step 3: Cross multiply
    111,614.46x = 154,068.39 × 73,900.86
  4. Step 4: Simplify right side
    111,614.46x = 11,385,786,519.82
  5. Step 5: Solve for x
    x = 11,385,786,519.82/111,614.46
  6. Step 6: Final answer
    x = 102,009.96

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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.