Home / 113,386.20-169,966.44-54,152.64

Finding the Fourth Proportional to 113,386.20, 169,966.44 and 54,152.64

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Solution

The fourth proportional to 113,386.20, 169,966.44 and 54,152.64 is: 81,175.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,386.20 : 169,966.44 = 54,152.64 : x
  2. Step 2: Convert to fraction form
    113,386.20/169,966.44 = 54,152.64/x
  3. Step 3: Cross multiply
    113,386.20x = 169,966.44 × 54,152.64
  4. Step 4: Simplify right side
    113,386.20x = 9,204,131,437.40
  5. Step 5: Solve for x
    x = 9,204,131,437.40/113,386.20
  6. Step 6: Final answer
    x = 81,175.06

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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.