Home / 146,910.64-202,719.18-86,467.88

Finding the Fourth Proportional to 146,910.64, 202,719.18 and 86,467.88

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Solution

The fourth proportional to 146,910.64, 202,719.18 and 86,467.88 is: 119,315.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,910.64 : 202,719.18 = 86,467.88 : x
  2. Step 2: Convert to fraction form
    146,910.64/202,719.18 = 86,467.88/x
  3. Step 3: Cross multiply
    146,910.64x = 202,719.18 × 86,467.88
  4. Step 4: Simplify right side
    146,910.64x = 17,528,697,729.94
  5. Step 5: Solve for x
    x = 17,528,697,729.94/146,910.64
  6. Step 6: Final answer
    x = 119,315.37

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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.