Home / 127,664.23-191,440.95-43,401.76

Finding the Fourth Proportional to 127,664.23, 191,440.95 and 43,401.76

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Solution

The fourth proportional to 127,664.23, 191,440.95 and 43,401.76 is: 65,083.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,664.23 : 191,440.95 = 43,401.76 : x
  2. Step 2: Convert to fraction form
    127,664.23/191,440.95 = 43,401.76/x
  3. Step 3: Cross multiply
    127,664.23x = 191,440.95 × 43,401.76
  4. Step 4: Simplify right side
    127,664.23x = 8,308,873,768.85
  5. Step 5: Solve for x
    x = 8,308,873,768.85/127,664.23
  6. Step 6: Final answer
    x = 65,083.81

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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.