Home / 135,158.47-186,519.24-73,905.93

Finding the Fourth Proportional to 135,158.47, 186,519.24 and 73,905.93

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Solution

The fourth proportional to 135,158.47, 186,519.24 and 73,905.93 is: 101,990.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,158.47 : 186,519.24 = 73,905.93 : x
  2. Step 2: Convert to fraction form
    135,158.47/186,519.24 = 73,905.93/x
  3. Step 3: Cross multiply
    135,158.47x = 186,519.24 × 73,905.93
  4. Step 4: Simplify right side
    135,158.47x = 13,784,877,895.09
  5. Step 5: Solve for x
    x = 13,784,877,895.09/135,158.47
  6. Step 6: Final answer
    x = 101,990.49

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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.