Home / 113,484.38-156,555.86-73,211.12

Finding the Fourth Proportional to 113,484.38, 156,555.86 and 73,211.12

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Solution

The fourth proportional to 113,484.38, 156,555.86 and 73,211.12 is: 100,997.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,484.38 : 156,555.86 = 73,211.12 : x
  2. Step 2: Convert to fraction form
    113,484.38/156,555.86 = 73,211.12/x
  3. Step 3: Cross multiply
    113,484.38x = 156,555.86 × 73,211.12
  4. Step 4: Simplify right side
    113,484.38x = 11,461,628,704.33
  5. Step 5: Solve for x
    x = 11,461,628,704.33/113,484.38
  6. Step 6: Final answer
    x = 100,997.42

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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.