Home / 135,463.12-186,937.00-74,208.83

Finding the Fourth Proportional to 135,463.12, 186,937.00 and 74,208.83

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Solution

The fourth proportional to 135,463.12, 186,937.00 and 74,208.83 is: 102,407.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,463.12 : 186,937.00 = 74,208.83 : x
  2. Step 2: Convert to fraction form
    135,463.12/186,937.00 = 74,208.83/x
  3. Step 3: Cross multiply
    135,463.12x = 186,937.00 × 74,208.83
  4. Step 4: Simplify right side
    135,463.12x = 13,872,374,933.50
  5. Step 5: Solve for x
    x = 13,872,374,933.50/135,463.12
  6. Step 6: Final answer
    x = 102,407.03

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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.