Home / 194,315.72-268,156.23-112,659.84

Finding the Fourth Proportional to 194,315.72, 268,156.23 and 112,659.84

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Solution

The fourth proportional to 194,315.72, 268,156.23 and 112,659.84 is: 155,470.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,315.72 : 268,156.23 = 112,659.84 : x
  2. Step 2: Convert to fraction form
    194,315.72/268,156.23 = 112,659.84/x
  3. Step 3: Cross multiply
    194,315.72x = 268,156.23 × 112,659.84
  4. Step 4: Simplify right side
    194,315.72x = 30,210,437,544.33
  5. Step 5: Solve for x
    x = 30,210,437,544.33/194,315.72
  6. Step 6: Final answer
    x = 155,470.89

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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.