Home / 135,262.12-186,657.66-74,829.24

Finding the Fourth Proportional to 135,262.12, 186,657.66 and 74,829.24

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Solution

The fourth proportional to 135,262.12, 186,657.66 and 74,829.24 is: 103,262.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,262.12 : 186,657.66 = 74,829.24 : x
  2. Step 2: Convert to fraction form
    135,262.12/186,657.66 = 74,829.24/x
  3. Step 3: Cross multiply
    135,262.12x = 186,657.66 × 74,829.24
  4. Step 4: Simplify right side
    135,262.12x = 13,967,450,837.98
  5. Step 5: Solve for x
    x = 13,967,450,837.98/135,262.12
  6. Step 6: Final answer
    x = 103,262.10

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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.