Home / 134,817.96-186,052.68-74,392.50

Finding the Fourth Proportional to 134,817.96, 186,052.68 and 74,392.50

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Solution

The fourth proportional to 134,817.96, 186,052.68 and 74,392.50 is: 102,663.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,817.96 : 186,052.68 = 74,392.50 : x
  2. Step 2: Convert to fraction form
    134,817.96/186,052.68 = 74,392.50/x
  3. Step 3: Cross multiply
    134,817.96x = 186,052.68 × 74,392.50
  4. Step 4: Simplify right side
    134,817.96x = 13,840,922,694.67
  5. Step 5: Solve for x
    x = 13,840,922,694.67/134,817.96
  6. Step 6: Final answer
    x = 102,663.79

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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.