Home / 164,971.63-227,661.45-89,520.13

Finding the Fourth Proportional to 164,971.63, 227,661.45 and 89,520.13

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Solution

The fourth proportional to 164,971.63, 227,661.45 and 89,520.13 is: 123,538.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,971.63 : 227,661.45 = 89,520.13 : x
  2. Step 2: Convert to fraction form
    164,971.63/227,661.45 = 89,520.13/x
  3. Step 3: Cross multiply
    164,971.63x = 227,661.45 × 89,520.13
  4. Step 4: Simplify right side
    164,971.63x = 20,380,282,599.99
  5. Step 5: Solve for x
    x = 20,380,282,599.99/164,971.63
  6. Step 6: Final answer
    x = 123,538.11

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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.