Home / 280,896.23-387,606.93-166,179.17

Finding the Fourth Proportional to 280,896.23, 387,606.93 and 166,179.17

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Solution

The fourth proportional to 280,896.23, 387,606.93 and 166,179.17 is: 229,309.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,896.23 : 387,606.93 = 166,179.17 : x
  2. Step 2: Convert to fraction form
    280,896.23/387,606.93 = 166,179.17/x
  3. Step 3: Cross multiply
    280,896.23x = 387,606.93 × 166,179.17
  4. Step 4: Simplify right side
    280,896.23x = 64,412,197,913.65
  5. Step 5: Solve for x
    x = 64,412,197,913.65/280,896.23
  6. Step 6: Final answer
    x = 229,309.58

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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.