Home / 113,241.88-156,317.34-75,502.36

Finding the Fourth Proportional to 113,241.88, 156,317.34 and 75,502.36

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Solution

The fourth proportional to 113,241.88, 156,317.34 and 75,502.36 is: 104,222.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,241.88 : 156,317.34 = 75,502.36 : x
  2. Step 2: Convert to fraction form
    113,241.88/156,317.34 = 75,502.36/x
  3. Step 3: Cross multiply
    113,241.88x = 156,317.34 × 75,502.36
  4. Step 4: Simplify right side
    113,241.88x = 11,802,328,078.92
  5. Step 5: Solve for x
    x = 11,802,328,078.92/113,241.88
  6. Step 6: Final answer
    x = 104,222.29

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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.