Home / 135,478.06-186,900.78-95,218.12

Finding the Fourth Proportional to 135,478.06, 186,900.78 and 95,218.12

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Solution

The fourth proportional to 135,478.06, 186,900.78 and 95,218.12 is: 131,359.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,478.06 : 186,900.78 = 95,218.12 : x
  2. Step 2: Convert to fraction form
    135,478.06/186,900.78 = 95,218.12/x
  3. Step 3: Cross multiply
    135,478.06x = 186,900.78 × 95,218.12
  4. Step 4: Simplify right side
    135,478.06x = 17,796,340,898.13
  5. Step 5: Solve for x
    x = 17,796,340,898.13/135,478.06
  6. Step 6: Final answer
    x = 131,359.58

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1.5x scale

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.