Home / 143,187.08-198,026.34-125,250.92

Finding the Fourth Proportional to 143,187.08, 198,026.34 and 125,250.92

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Solution

The fourth proportional to 143,187.08, 198,026.34 and 125,250.92 is: 173,220.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,187.08 : 198,026.34 = 125,250.92 : x
  2. Step 2: Convert to fraction form
    143,187.08/198,026.34 = 125,250.92/x
  3. Step 3: Cross multiply
    143,187.08x = 198,026.34 × 125,250.92
  4. Step 4: Simplify right side
    143,187.08x = 24,802,981,269.23
  5. Step 5: Solve for x
    x = 24,802,981,269.23/143,187.08
  6. Step 6: Final answer
    x = 173,220.81

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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.