Home / 143,204.10-197,577.18-82,752.72

Finding the Fourth Proportional to 143,204.10, 197,577.18 and 82,752.72

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Solution

The fourth proportional to 143,204.10, 197,577.18 and 82,752.72 is: 114,173.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,204.10 : 197,577.18 = 82,752.72 : x
  2. Step 2: Convert to fraction form
    143,204.10/197,577.18 = 82,752.72/x
  3. Step 3: Cross multiply
    143,204.10x = 197,577.18 × 82,752.72
  4. Step 4: Simplify right side
    143,204.10x = 16,350,049,054.93
  5. Step 5: Solve for x
    x = 16,350,049,054.93/143,204.10
  6. Step 6: Final answer
    x = 114,173.05

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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.