Home / 169,905.57-254,699.07-57,507.12

Finding the Fourth Proportional to 169,905.57, 254,699.07 and 57,507.12

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Solution

The fourth proportional to 169,905.57, 254,699.07 and 57,507.12 is: 86,206.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,905.57 : 254,699.07 = 57,507.12 : x
  2. Step 2: Convert to fraction form
    169,905.57/254,699.07 = 57,507.12/x
  3. Step 3: Cross multiply
    169,905.57x = 254,699.07 × 57,507.12
  4. Step 4: Simplify right side
    169,905.57x = 14,647,009,982.38
  5. Step 5: Solve for x
    x = 14,647,009,982.38/169,905.57
  6. Step 6: Final answer
    x = 86,206.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.