Home / 113,383.22-156,416.49-73,109.92

Finding the Fourth Proportional to 113,383.22, 156,416.49 and 73,109.92

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Solution

The fourth proportional to 113,383.22, 156,416.49 and 73,109.92 is: 100,857.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,383.22 : 156,416.49 = 73,109.92 : x
  2. Step 2: Convert to fraction form
    113,383.22/156,416.49 = 73,109.92/x
  3. Step 3: Cross multiply
    113,383.22x = 156,416.49 × 73,109.92
  4. Step 4: Simplify right side
    113,383.22x = 11,435,596,288.50
  5. Step 5: Solve for x
    x = 11,435,596,288.50/113,383.22
  6. Step 6: Final answer
    x = 100,857.92

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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.