Home / 135,254.56-186,656.82-74,824.18

Finding the Fourth Proportional to 135,254.56, 186,656.82 and 74,824.18

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Solution

The fourth proportional to 135,254.56, 186,656.82 and 74,824.18 is: 103,260.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,254.56 : 186,656.82 = 74,824.18 : x
  2. Step 2: Convert to fraction form
    135,254.56/186,656.82 = 74,824.18/x
  3. Step 3: Cross multiply
    135,254.56x = 186,656.82 × 74,824.18
  4. Step 4: Simplify right side
    135,254.56x = 13,966,443,497.91
  5. Step 5: Solve for x
    x = 13,966,443,497.91/135,254.56
  6. Step 6: Final answer
    x = 103,260.43

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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.