Home / 147,530.21-203,589.59-82,994.54

Finding the Fourth Proportional to 147,530.21, 203,589.59 and 82,994.54

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Solution

The fourth proportional to 147,530.21, 203,589.59 and 82,994.54 is: 114,531.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,530.21 : 203,589.59 = 82,994.54 : x
  2. Step 2: Convert to fraction form
    147,530.21/203,589.59 = 82,994.54/x
  3. Step 3: Cross multiply
    147,530.21x = 203,589.59 × 82,994.54
  4. Step 4: Simplify right side
    147,530.21x = 16,896,822,937.92
  5. Step 5: Solve for x
    x = 16,896,822,937.92/147,530.21
  6. Step 6: Final answer
    x = 114,531.28

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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.