Home / 212,728.16-293,563.38-117,234.93

Finding the Fourth Proportional to 212,728.16, 293,563.38 and 117,234.93

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Solution

The fourth proportional to 212,728.16, 293,563.38 and 117,234.93 is: 161,783.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,728.16 : 293,563.38 = 117,234.93 : x
  2. Step 2: Convert to fraction form
    212,728.16/293,563.38 = 117,234.93/x
  3. Step 3: Cross multiply
    212,728.16x = 293,563.38 × 117,234.93
  4. Step 4: Simplify right side
    212,728.16x = 34,415,882,304.86
  5. Step 5: Solve for x
    x = 34,415,882,304.86/212,728.16
  6. Step 6: Final answer
    x = 161,783.39

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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.