Home / 126,395.46-174,402.99-75,389.15

Finding the Fourth Proportional to 126,395.46, 174,402.99 and 75,389.15

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Solution

The fourth proportional to 126,395.46, 174,402.99 and 75,389.15 is: 104,023.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,395.46 : 174,402.99 = 75,389.15 : x
  2. Step 2: Convert to fraction form
    126,395.46/174,402.99 = 75,389.15/x
  3. Step 3: Cross multiply
    126,395.46x = 174,402.99 × 75,389.15
  4. Step 4: Simplify right side
    126,395.46x = 13,148,093,609.57
  5. Step 5: Solve for x
    x = 13,148,093,609.57/126,395.46
  6. Step 6: Final answer
    x = 104,023.46

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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.