Home / 113,383.47-156,416.84-73,110.17

Finding the Fourth Proportional to 113,383.47, 156,416.84 and 73,110.17

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Solution

The fourth proportional to 113,383.47, 156,416.84 and 73,110.17 is: 100,858.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,383.47 : 156,416.84 = 73,110.17 : x
  2. Step 2: Convert to fraction form
    113,383.47/156,416.84 = 73,110.17/x
  3. Step 3: Cross multiply
    113,383.47x = 156,416.84 × 73,110.17
  4. Step 4: Simplify right side
    113,383.47x = 11,435,660,615.63
  5. Step 5: Solve for x
    x = 11,435,660,615.63/113,383.47
  6. Step 6: Final answer
    x = 100,858.27

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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.