Home / 115,822.26-173,395.35-71,315.46

Finding the Fourth Proportional to 115,822.26, 173,395.35 and 71,315.46

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Solution

The fourth proportional to 115,822.26, 173,395.35 and 71,315.46 is: 106,765.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,822.26 : 173,395.35 = 71,315.46 : x
  2. Step 2: Convert to fraction form
    115,822.26/173,395.35 = 71,315.46/x
  3. Step 3: Cross multiply
    115,822.26x = 173,395.35 × 71,315.46
  4. Step 4: Simplify right side
    115,822.26x = 12,365,769,147.11
  5. Step 5: Solve for x
    x = 12,365,769,147.11/115,822.26
  6. Step 6: Final answer
    x = 106,765.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.