Home / 143,016.74-197,399.38-97,713.03

Finding the Fourth Proportional to 143,016.74, 197,399.38 and 97,713.03

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Solution

The fourth proportional to 143,016.74, 197,399.38 and 97,713.03 is: 134,868.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,016.74 : 197,399.38 = 97,713.03 : x
  2. Step 2: Convert to fraction form
    143,016.74/197,399.38 = 97,713.03/x
  3. Step 3: Cross multiply
    143,016.74x = 197,399.38 × 97,713.03
  4. Step 4: Simplify right side
    143,016.74x = 19,288,492,219.10
  5. Step 5: Solve for x
    x = 19,288,492,219.10/143,016.74
  6. Step 6: Final answer
    x = 134,868.77

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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.