Home / 135,741.96-187,346.39-75,332.01

Finding the Fourth Proportional to 135,741.96, 187,346.39 and 75,332.01

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Solution

The fourth proportional to 135,741.96, 187,346.39 and 75,332.01 is: 103,970.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,741.96 : 187,346.39 = 75,332.01 : x
  2. Step 2: Convert to fraction form
    135,741.96/187,346.39 = 75,332.01/x
  3. Step 3: Cross multiply
    135,741.96x = 187,346.39 × 75,332.01
  4. Step 4: Simplify right side
    135,741.96x = 14,113,180,124.94
  5. Step 5: Solve for x
    x = 14,113,180,124.94/135,741.96
  6. Step 6: Final answer
    x = 103,970.65

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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.