Home / 135,154.16-186,513.48-73,900.56

Finding the Fourth Proportional to 135,154.16, 186,513.48 and 73,900.56

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Solution

The fourth proportional to 135,154.16, 186,513.48 and 73,900.56 is: 101,983.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,154.16 : 186,513.48 = 73,900.56 : x
  2. Step 2: Convert to fraction form
    135,154.16/186,513.48 = 73,900.56/x
  3. Step 3: Cross multiply
    135,154.16x = 186,513.48 × 73,900.56
  4. Step 4: Simplify right side
    135,154.16x = 13,783,450,619.55
  5. Step 5: Solve for x
    x = 13,783,450,619.55/135,154.16
  6. Step 6: Final answer
    x = 101,983.18

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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.