Home / 147,286.08-220,929.12-68,357.25

Finding the Fourth Proportional to 147,286.08, 220,929.12 and 68,357.25

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Solution

The fourth proportional to 147,286.08, 220,929.12 and 68,357.25 is: 102,535.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,286.08 : 220,929.12 = 68,357.25 : x
  2. Step 2: Convert to fraction form
    147,286.08/220,929.12 = 68,357.25/x
  3. Step 3: Cross multiply
    147,286.08x = 220,929.12 × 68,357.25
  4. Step 4: Simplify right side
    147,286.08x = 15,102,107,088.12
  5. Step 5: Solve for x
    x = 15,102,107,088.12/147,286.08
  6. Step 6: Final answer
    x = 102,535.88

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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.