Home / 117,153.45-175,626.50-54,807.21

Finding the Fourth Proportional to 117,153.45, 175,626.50 and 54,807.21

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Solution

The fourth proportional to 117,153.45, 175,626.50 and 54,807.21 is: 82,162.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,153.45 : 175,626.50 = 54,807.21 : x
  2. Step 2: Convert to fraction form
    117,153.45/175,626.50 = 54,807.21/x
  3. Step 3: Cross multiply
    117,153.45x = 175,626.50 × 54,807.21
  4. Step 4: Simplify right side
    117,153.45x = 9,625,598,193.03
  5. Step 5: Solve for x
    x = 9,625,598,193.03/117,153.45
  6. Step 6: Final answer
    x = 82,162.31

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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.