Home / 164,343.78-226,741.41-129,778.83

Finding the Fourth Proportional to 164,343.78, 226,741.41 and 129,778.83

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Solution

The fourth proportional to 164,343.78, 226,741.41 and 129,778.83 is: 179,052.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,343.78 : 226,741.41 = 129,778.83 : x
  2. Step 2: Convert to fraction form
    164,343.78/226,741.41 = 129,778.83/x
  3. Step 3: Cross multiply
    164,343.78x = 226,741.41 × 129,778.83
  4. Step 4: Simplify right side
    164,343.78x = 29,426,234,902.35
  5. Step 5: Solve for x
    x = 29,426,234,902.35/164,343.78
  6. Step 6: Final answer
    x = 179,052.93

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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.