Home / 223,435.16-335,047.41-81,180.15

Finding the Fourth Proportional to 223,435.16, 335,047.41 and 81,180.15

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Solution

The fourth proportional to 223,435.16, 335,047.41 and 81,180.15 is: 121,731.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,435.16 : 335,047.41 = 81,180.15 : x
  2. Step 2: Convert to fraction form
    223,435.16/335,047.41 = 81,180.15/x
  3. Step 3: Cross multiply
    223,435.16x = 335,047.41 × 81,180.15
  4. Step 4: Simplify right side
    223,435.16x = 27,199,198,915.12
  5. Step 5: Solve for x
    x = 27,199,198,915.12/223,435.16
  6. Step 6: Final answer
    x = 121,731.96

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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.