Home / 165,007.08-227,710.56-89,555.64

Finding the Fourth Proportional to 165,007.08, 227,710.56 and 89,555.64

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Solution

The fourth proportional to 165,007.08, 227,710.56 and 89,555.64 is: 123,587.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,007.08 : 227,710.56 = 89,555.64 : x
  2. Step 2: Convert to fraction form
    165,007.08/227,710.56 = 89,555.64/x
  3. Step 3: Cross multiply
    165,007.08x = 227,710.56 × 89,555.64
  4. Step 4: Simplify right side
    165,007.08x = 20,392,764,935.56
  5. Step 5: Solve for x
    x = 20,392,764,935.56/165,007.08
  6. Step 6: Final answer
    x = 123,587.21

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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.