Home / 127,857.32-191,744.48-60,378.92

Finding the Fourth Proportional to 127,857.32, 191,744.48 and 60,378.92

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Solution

The fourth proportional to 127,857.32, 191,744.48 and 60,378.92 is: 90,548.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,857.32 : 191,744.48 = 60,378.92 : x
  2. Step 2: Convert to fraction form
    127,857.32/191,744.48 = 60,378.92/x
  3. Step 3: Cross multiply
    127,857.32x = 191,744.48 × 60,378.92
  4. Step 4: Simplify right side
    127,857.32x = 11,577,324,529.63
  5. Step 5: Solve for x
    x = 11,577,324,529.63/127,857.32
  6. Step 6: Final answer
    x = 90,548.78

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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.