Home / 221,386.40-332,325.44-114,741.80

Finding the Fourth Proportional to 221,386.40, 332,325.44 and 114,741.80

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Solution

The fourth proportional to 221,386.40, 332,325.44 and 114,741.80 is: 172,240.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,386.40 : 332,325.44 = 114,741.80 : x
  2. Step 2: Convert to fraction form
    221,386.40/332,325.44 = 114,741.80/x
  3. Step 3: Cross multiply
    221,386.40x = 332,325.44 × 114,741.80
  4. Step 4: Simplify right side
    221,386.40x = 38,131,619,171.39
  5. Step 5: Solve for x
    x = 38,131,619,171.39/221,386.40
  6. Step 6: Final answer
    x = 172,240.12

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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.