Home / 127,653.96-176,166.82-73,215.48

Finding the Fourth Proportional to 127,653.96, 176,166.82 and 73,215.48

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Solution

The fourth proportional to 127,653.96, 176,166.82 and 73,215.48 is: 101,039.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,653.96 : 176,166.82 = 73,215.48 : x
  2. Step 2: Convert to fraction form
    127,653.96/176,166.82 = 73,215.48/x
  3. Step 3: Cross multiply
    127,653.96x = 176,166.82 × 73,215.48
  4. Step 4: Simplify right side
    127,653.96x = 12,898,138,286.37
  5. Step 5: Solve for x
    x = 12,898,138,286.37/127,653.96
  6. Step 6: Final answer
    x = 101,039.86

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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.