Home / 276,550.89-381,668.81-169,192.32

Finding the Fourth Proportional to 276,550.89, 381,668.81 and 169,192.32

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Solution

The fourth proportional to 276,550.89, 381,668.81 and 169,192.32 is: 233,502.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,550.89 : 381,668.81 = 169,192.32 : x
  2. Step 2: Convert to fraction form
    276,550.89/381,668.81 = 169,192.32/x
  3. Step 3: Cross multiply
    276,550.89x = 381,668.81 × 169,192.32
  4. Step 4: Simplify right side
    276,550.89x = 64,575,430,589.58
  5. Step 5: Solve for x
    x = 64,575,430,589.58/276,550.89
  6. Step 6: Final answer
    x = 233,502.88

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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.