Home / 143,310.07-197,763.64-82,054.23

Finding the Fourth Proportional to 143,310.07, 197,763.64 and 82,054.23

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Solution

The fourth proportional to 143,310.07, 197,763.64 and 82,054.23 is: 113,232.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,310.07 : 197,763.64 = 82,054.23 : x
  2. Step 2: Convert to fraction form
    143,310.07/197,763.64 = 82,054.23/x
  3. Step 3: Cross multiply
    143,310.07x = 197,763.64 × 82,054.23
  4. Step 4: Simplify right side
    143,310.07x = 16,227,343,202.20
  5. Step 5: Solve for x
    x = 16,227,343,202.20/143,310.07
  6. Step 6: Final answer
    x = 113,232.40

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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.