Home / 194,623.40-291,935.10-76,255.40

Finding the Fourth Proportional to 194,623.40, 291,935.10 and 76,255.40

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Solution

The fourth proportional to 194,623.40, 291,935.10 and 76,255.40 is: 114,383.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,623.40 : 291,935.10 = 76,255.40 : x
  2. Step 2: Convert to fraction form
    194,623.40/291,935.10 = 76,255.40/x
  3. Step 3: Cross multiply
    194,623.40x = 291,935.10 × 76,255.40
  4. Step 4: Simplify right side
    194,623.40x = 22,261,627,824.54
  5. Step 5: Solve for x
    x = 22,261,627,824.54/194,623.40
  6. Step 6: Final answer
    x = 114,383.10

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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.