Home / 234,915.94-324,186.38-127,486.90

Finding the Fourth Proportional to 234,915.94, 324,186.38 and 127,486.90

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Solution

The fourth proportional to 234,915.94, 324,186.38 and 127,486.90 is: 175,933.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,915.94 : 324,186.38 = 127,486.90 : x
  2. Step 2: Convert to fraction form
    234,915.94/324,186.38 = 127,486.90/x
  3. Step 3: Cross multiply
    234,915.94x = 324,186.38 × 127,486.90
  4. Step 4: Simplify right side
    234,915.94x = 41,329,516,608.42
  5. Step 5: Solve for x
    x = 41,329,516,608.42/234,915.94
  6. Step 6: Final answer
    x = 175,933.22

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1.5x scale

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.