Home / 143,313.20-197,717.10-92,321.93

Finding the Fourth Proportional to 143,313.20, 197,717.10 and 92,321.93

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Solution

The fourth proportional to 143,313.20, 197,717.10 and 92,321.93 is: 127,368.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,313.20 : 197,717.10 = 92,321.93 : x
  2. Step 2: Convert to fraction form
    143,313.20/197,717.10 = 92,321.93/x
  3. Step 3: Cross multiply
    143,313.20x = 197,717.10 × 92,321.93
  4. Step 4: Simplify right side
    143,313.20x = 18,253,623,821.24
  5. Step 5: Solve for x
    x = 18,253,623,821.24/143,313.20
  6. Step 6: Final answer
    x = 127,368.76

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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.