Home / 242,915.12-335,049.35-210,591.97

Finding the Fourth Proportional to 242,915.12, 335,049.35 and 210,591.97

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Solution

The fourth proportional to 242,915.12, 335,049.35 and 210,591.97 is: 290,466.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,915.12 : 335,049.35 = 210,591.97 : x
  2. Step 2: Convert to fraction form
    242,915.12/335,049.35 = 210,591.97/x
  3. Step 3: Cross multiply
    242,915.12x = 335,049.35 × 210,591.97
  4. Step 4: Simplify right side
    242,915.12x = 70,558,700,773.14
  5. Step 5: Solve for x
    x = 70,558,700,773.14/242,915.12
  6. Step 6: Final answer
    x = 290,466.49

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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.