Home / 134,382.92-185,409.96-86,663.66

Finding the Fourth Proportional to 134,382.92, 185,409.96 and 86,663.66

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Solution

The fourth proportional to 134,382.92, 185,409.96 and 86,663.66 is: 119,571.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,382.92 : 185,409.96 = 86,663.66 : x
  2. Step 2: Convert to fraction form
    134,382.92/185,409.96 = 86,663.66/x
  3. Step 3: Cross multiply
    134,382.92x = 185,409.96 × 86,663.66
  4. Step 4: Simplify right side
    134,382.92x = 16,068,305,734.05
  5. Step 5: Solve for x
    x = 16,068,305,734.05/134,382.92
  6. Step 6: Final answer
    x = 119,571.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.