Home / 126,015.13-173,906.76-75,016.32

Finding the Fourth Proportional to 126,015.13, 173,906.76 and 75,016.32

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Solution

The fourth proportional to 126,015.13, 173,906.76 and 75,016.32 is: 103,526.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,015.13 : 173,906.76 = 75,016.32 : x
  2. Step 2: Convert to fraction form
    126,015.13/173,906.76 = 75,016.32/x
  3. Step 3: Cross multiply
    126,015.13x = 173,906.76 × 75,016.32
  4. Step 4: Simplify right side
    126,015.13x = 13,045,845,158.32
  5. Step 5: Solve for x
    x = 13,045,845,158.32/126,015.13
  6. Step 6: Final answer
    x = 103,526.02

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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.