Home / 115,293.36-171,793.92-102,716.76

Finding the Fourth Proportional to 115,293.36, 171,793.92 and 102,716.76

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Solution

The fourth proportional to 115,293.36, 171,793.92 and 102,716.76 is: 153,054.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,293.36 : 171,793.92 = 102,716.76 : x
  2. Step 2: Convert to fraction form
    115,293.36/171,793.92 = 102,716.76/x
  3. Step 3: Cross multiply
    115,293.36x = 171,793.92 × 102,716.76
  4. Step 4: Simplify right side
    115,293.36x = 17,646,114,850.10
  5. Step 5: Solve for x
    x = 17,646,114,850.10/115,293.36
  6. Step 6: Final answer
    x = 153,054.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.