Home / 164,128.23-226,497-88,676.73

Finding the Fourth Proportional to 164,128.23, 226,497 and 88,676.73

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Solution

The fourth proportional to 164,128.23, 226,497 and 88,676.73 is: 122,373.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,128.23 : 226,497 = 88,676.73 : x
  2. Step 2: Convert to fraction form
    164,128.23/226,497 = 88,676.73/x
  3. Step 3: Cross multiply
    164,128.23x = 226,497 × 88,676.73
  4. Step 4: Simplify right side
    164,128.23x = 20,085,013,314.81
  5. Step 5: Solve for x
    x = 20,085,013,314.81/164,128.23
  6. Step 6: Final answer
    x = 122,373.91

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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.