Home / 165,145.60-227,382.96-145,744.48

Finding the Fourth Proportional to 165,145.60, 227,382.96 and 145,744.48

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Solution

The fourth proportional to 165,145.60, 227,382.96 and 145,744.48 is: 200,670.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,145.60 : 227,382.96 = 145,744.48 : x
  2. Step 2: Convert to fraction form
    165,145.60/227,382.96 = 145,744.48/x
  3. Step 3: Cross multiply
    165,145.60x = 227,382.96 × 145,744.48
  4. Step 4: Simplify right side
    165,145.60x = 33,139,811,266.06
  5. Step 5: Solve for x
    x = 33,139,811,266.06/165,145.60
  6. Step 6: Final answer
    x = 200,670.26

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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.