Home / 143,615.92-198,213.63-109,560.10

Finding the Fourth Proportional to 143,615.92, 198,213.63 and 109,560.10

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Solution

The fourth proportional to 143,615.92, 198,213.63 and 109,560.10 is: 151,210.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,615.92 : 198,213.63 = 109,560.10 : x
  2. Step 2: Convert to fraction form
    143,615.92/198,213.63 = 109,560.10/x
  3. Step 3: Cross multiply
    143,615.92x = 198,213.63 × 109,560.10
  4. Step 4: Simplify right side
    143,615.92x = 21,716,305,124.16
  5. Step 5: Solve for x
    x = 21,716,305,124.16/143,615.92
  6. Step 6: Final answer
    x = 151,210.99

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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.