Home / 143,864.88-198,551.44-82,630.25

Finding the Fourth Proportional to 143,864.88, 198,551.44 and 82,630.25

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Solution

The fourth proportional to 143,864.88, 198,551.44 and 82,630.25 is: 114,040.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,864.88 : 198,551.44 = 82,630.25 : x
  2. Step 2: Convert to fraction form
    143,864.88/198,551.44 = 82,630.25/x
  3. Step 3: Cross multiply
    143,864.88x = 198,551.44 × 82,630.25
  4. Step 4: Simplify right side
    143,864.88x = 16,406,355,125.06
  5. Step 5: Solve for x
    x = 16,406,355,125.06/143,864.88
  6. Step 6: Final answer
    x = 114,040.03

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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.