Home / 109,398.08-150,997.43-71,252.67

Finding the Fourth Proportional to 109,398.08, 150,997.43 and 71,252.67

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Solution

The fourth proportional to 109,398.08, 150,997.43 and 71,252.67 is: 98,346.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,398.08 : 150,997.43 = 71,252.67 : x
  2. Step 2: Convert to fraction form
    109,398.08/150,997.43 = 71,252.67/x
  3. Step 3: Cross multiply
    109,398.08x = 150,997.43 × 71,252.67
  4. Step 4: Simplify right side
    109,398.08x = 10,758,969,694.37
  5. Step 5: Solve for x
    x = 10,758,969,694.37/109,398.08
  6. Step 6: Final answer
    x = 98,346.97

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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.