Home / 143,192.98-197,600.82-79,534.84

Finding the Fourth Proportional to 143,192.98, 197,600.82 and 79,534.84

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Solution

The fourth proportional to 143,192.98, 197,600.82 and 79,534.84 is: 109,755.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,192.98 : 197,600.82 = 79,534.84 : x
  2. Step 2: Convert to fraction form
    143,192.98/197,600.82 = 79,534.84/x
  3. Step 3: Cross multiply
    143,192.98x = 197,600.82 × 79,534.84
  4. Step 4: Simplify right side
    143,192.98x = 15,716,149,602.57
  5. Step 5: Solve for x
    x = 15,716,149,602.57/143,192.98
  6. Step 6: Final answer
    x = 109,755.03

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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.