Home / 164,511.51-227,026.40-89,059.83

Finding the Fourth Proportional to 164,511.51, 227,026.40 and 89,059.83

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Solution

The fourth proportional to 164,511.51, 227,026.40 and 89,059.83 is: 122,902.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,511.51 : 227,026.40 = 89,059.83 : x
  2. Step 2: Convert to fraction form
    164,511.51/227,026.40 = 89,059.83/x
  3. Step 3: Cross multiply
    164,511.51x = 227,026.40 × 89,059.83
  4. Step 4: Simplify right side
    164,511.51x = 20,218,932,144.21
  5. Step 5: Solve for x
    x = 20,218,932,144.21/164,511.51
  6. Step 6: Final answer
    x = 122,902.84

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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.