Home / 115,731.32-173,313.88-104,512.01

Finding the Fourth Proportional to 115,731.32, 173,313.88 and 104,512.01

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Solution

The fourth proportional to 115,731.32, 173,313.88 and 104,512.01 is: 156,512.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,731.32 : 173,313.88 = 104,512.01 : x
  2. Step 2: Convert to fraction form
    115,731.32/173,313.88 = 104,512.01/x
  3. Step 3: Cross multiply
    115,731.32x = 173,313.88 × 104,512.01
  4. Step 4: Simplify right side
    115,731.32x = 18,113,380,831.85
  5. Step 5: Solve for x
    x = 18,113,380,831.85/115,731.32
  6. Step 6: Final answer
    x = 156,512.36

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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.