Home / 115,440.30-173,160.54-92,214.36

Finding the Fourth Proportional to 115,440.30, 173,160.54 and 92,214.36

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Solution

The fourth proportional to 115,440.30, 173,160.54 and 92,214.36 is: 138,321.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,440.30 : 173,160.54 = 92,214.36 : x
  2. Step 2: Convert to fraction form
    115,440.30/173,160.54 = 92,214.36/x
  3. Step 3: Cross multiply
    115,440.30x = 173,160.54 × 92,214.36
  4. Step 4: Simplify right side
    115,440.30x = 15,967,888,373.35
  5. Step 5: Solve for x
    x = 15,967,888,373.35/115,440.30
  6. Step 6: Final answer
    x = 138,321.61

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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.