Home / 194,838.75-268,877.48-105,414.75

Finding the Fourth Proportional to 194,838.75, 268,877.48 and 105,414.75

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Solution

The fourth proportional to 194,838.75, 268,877.48 and 105,414.75 is: 145,472.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,838.75 : 268,877.48 = 105,414.75 : x
  2. Step 2: Convert to fraction form
    194,838.75/268,877.48 = 105,414.75/x
  3. Step 3: Cross multiply
    194,838.75x = 268,877.48 × 105,414.75
  4. Step 4: Simplify right side
    194,838.75x = 28,343,651,807.76
  5. Step 5: Solve for x
    x = 28,343,651,807.76/194,838.75
  6. Step 6: Final answer
    x = 145,472.36

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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.