Home / 113,138.31-169,744.32-53,966.28

Finding the Fourth Proportional to 113,138.31, 169,744.32 and 53,966.28

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Solution

The fourth proportional to 113,138.31, 169,744.32 and 53,966.28 is: 80,967.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,138.31 : 169,744.32 = 53,966.28 : x
  2. Step 2: Convert to fraction form
    113,138.31/169,744.32 = 53,966.28/x
  3. Step 3: Cross multiply
    113,138.31x = 169,744.32 × 53,966.28
  4. Step 4: Simplify right side
    113,138.31x = 9,160,469,501.53
  5. Step 5: Solve for x
    x = 9,160,469,501.53/113,138.31
  6. Step 6: Final answer
    x = 80,967.00

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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.