Home / 194,321.49-268,160.06-105,917.46

Finding the Fourth Proportional to 194,321.49, 268,160.06 and 105,917.46

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Solution

The fourth proportional to 194,321.49, 268,160.06 and 105,917.46 is: 146,164.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,321.49 : 268,160.06 = 105,917.46 : x
  2. Step 2: Convert to fraction form
    194,321.49/268,160.06 = 105,917.46/x
  3. Step 3: Cross multiply
    194,321.49x = 268,160.06 × 105,917.46
  4. Step 4: Simplify right side
    194,321.49x = 28,402,830,823.05
  5. Step 5: Solve for x
    x = 28,402,830,823.05/194,321.49
  6. Step 6: Final answer
    x = 146,164.13

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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.