Home / 186,184.98-256,936.86-105,612.66

Finding the Fourth Proportional to 186,184.98, 256,936.86 and 105,612.66

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Solution

The fourth proportional to 186,184.98, 256,936.86 and 105,612.66 is: 145,746.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,184.98 : 256,936.86 = 105,612.66 : x
  2. Step 2: Convert to fraction form
    186,184.98/256,936.86 = 105,612.66/x
  3. Step 3: Cross multiply
    186,184.98x = 256,936.86 × 105,612.66
  4. Step 4: Simplify right side
    186,184.98x = 27,135,785,236.65
  5. Step 5: Solve for x
    x = 27,135,785,236.65/186,184.98
  6. Step 6: Final answer
    x = 145,746.37

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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.