Home / 111,446.20-153,885.18-73,235.80

Finding the Fourth Proportional to 111,446.20, 153,885.18 and 73,235.80

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Solution

The fourth proportional to 111,446.20, 153,885.18 and 73,235.80 is: 101,124.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,446.20 : 153,885.18 = 73,235.80 : x
  2. Step 2: Convert to fraction form
    111,446.20/153,885.18 = 73,235.80/x
  3. Step 3: Cross multiply
    111,446.20x = 153,885.18 × 73,235.80
  4. Step 4: Simplify right side
    111,446.20x = 11,269,904,265.44
  5. Step 5: Solve for x
    x = 11,269,904,265.44/111,446.20
  6. Step 6: Final answer
    x = 101,124.17

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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.