Home / 115,965.88-160,004.10-73,508.92

Finding the Fourth Proportional to 115,965.88, 160,004.10 and 73,508.92

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Solution

The fourth proportional to 115,965.88, 160,004.10 and 73,508.92 is: 101,424.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,965.88 : 160,004.10 = 73,508.92 : x
  2. Step 2: Convert to fraction form
    115,965.88/160,004.10 = 73,508.92/x
  3. Step 3: Cross multiply
    115,965.88x = 160,004.10 × 73,508.92
  4. Step 4: Simplify right side
    115,965.88x = 11,761,728,586.57
  5. Step 5: Solve for x
    x = 11,761,728,586.57/115,965.88
  6. Step 6: Final answer
    x = 101,424.04

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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.