Home / 114,874.64-158,416.44-74,573.36

Finding the Fourth Proportional to 114,874.64, 158,416.44 and 74,573.36

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Solution

The fourth proportional to 114,874.64, 158,416.44 and 74,573.36 is: 102,839.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,874.64 : 158,416.44 = 74,573.36 : x
  2. Step 2: Convert to fraction form
    114,874.64/158,416.44 = 74,573.36/x
  3. Step 3: Cross multiply
    114,874.64x = 158,416.44 × 74,573.36
  4. Step 4: Simplify right side
    114,874.64x = 11,813,646,210.04
  5. Step 5: Solve for x
    x = 11,813,646,210.04/114,874.64
  6. Step 6: Final answer
    x = 102,839.46

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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.