Home / 164,390.41-226,858.81-92,785.60

Finding the Fourth Proportional to 164,390.41, 226,858.81 and 92,785.60

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Solution

The fourth proportional to 164,390.41, 226,858.81 and 92,785.60 is: 128,044.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,390.41 : 226,858.81 = 92,785.60 : x
  2. Step 2: Convert to fraction form
    164,390.41/226,858.81 = 92,785.60/x
  3. Step 3: Cross multiply
    164,390.41x = 226,858.81 × 92,785.60
  4. Step 4: Simplify right side
    164,390.41x = 21,049,229,666.84
  5. Step 5: Solve for x
    x = 21,049,229,666.84/164,390.41
  6. Step 6: Final answer
    x = 128,044.15

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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.