Home / 164,302.40-226,721.76-100,629.92

Finding the Fourth Proportional to 164,302.40, 226,721.76 and 100,629.92

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Solution

The fourth proportional to 164,302.40, 226,721.76 and 100,629.92 is: 138,859.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,302.40 : 226,721.76 = 100,629.92 : x
  2. Step 2: Convert to fraction form
    164,302.40/226,721.76 = 100,629.92/x
  3. Step 3: Cross multiply
    164,302.40x = 226,721.76 × 100,629.92
  4. Step 4: Simplify right side
    164,302.40x = 22,814,992,571.06
  5. Step 5: Solve for x
    x = 22,814,992,571.06/164,302.40
  6. Step 6: Final answer
    x = 138,859.76

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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.