Home / 126,014.13-173,905.38-75,015.32

Finding the Fourth Proportional to 126,014.13, 173,905.38 and 75,015.32

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Solution

The fourth proportional to 126,014.13, 173,905.38 and 75,015.32 is: 103,524.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,014.13 : 173,905.38 = 75,015.32 : x
  2. Step 2: Convert to fraction form
    126,014.13/173,905.38 = 75,015.32/x
  3. Step 3: Cross multiply
    126,014.13x = 173,905.38 × 75,015.32
  4. Step 4: Simplify right side
    126,014.13x = 13,045,566,860.89
  5. Step 5: Solve for x
    x = 13,045,566,860.89/126,014.13
  6. Step 6: Final answer
    x = 103,524.64

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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.