Home / 150,964.38-208,341.72-90,533.92

Finding the Fourth Proportional to 150,964.38, 208,341.72 and 90,533.92

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Solution

The fourth proportional to 150,964.38, 208,341.72 and 90,533.92 is: 124,943.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,964.38 : 208,341.72 = 90,533.92 : x
  2. Step 2: Convert to fraction form
    150,964.38/208,341.72 = 90,533.92/x
  3. Step 3: Cross multiply
    150,964.38x = 208,341.72 × 90,533.92
  4. Step 4: Simplify right side
    150,964.38x = 18,861,992,611.14
  5. Step 5: Solve for x
    x = 18,861,992,611.14/150,964.38
  6. Step 6: Final answer
    x = 124,943.33

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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.