Home / 143,052.46-197,403.20-89,334.27

Finding the Fourth Proportional to 143,052.46, 197,403.20 and 89,334.27

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Solution

The fourth proportional to 143,052.46, 197,403.20 and 89,334.27 is: 123,275.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,052.46 : 197,403.20 = 89,334.27 : x
  2. Step 2: Convert to fraction form
    143,052.46/197,403.20 = 89,334.27/x
  3. Step 3: Cross multiply
    143,052.46x = 197,403.20 × 89,334.27
  4. Step 4: Simplify right side
    143,052.46x = 17,634,870,767.66
  5. Step 5: Solve for x
    x = 17,634,870,767.66/143,052.46
  6. Step 6: Final answer
    x = 123,275.55

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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.