Home / 135,209.58-186,581.66-73,943.67

Finding the Fourth Proportional to 135,209.58, 186,581.66 and 73,943.67

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Solution

The fourth proportional to 135,209.58, 186,581.66 and 73,943.67 is: 102,038.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,209.58 : 186,581.66 = 73,943.67 : x
  2. Step 2: Convert to fraction form
    135,209.58/186,581.66 = 73,943.67/x
  3. Step 3: Cross multiply
    135,209.58x = 186,581.66 × 73,943.67
  4. Step 4: Simplify right side
    135,209.58x = 13,796,531,392.47
  5. Step 5: Solve for x
    x = 13,796,531,392.47/135,209.58
  6. Step 6: Final answer
    x = 102,038.12

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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.