Home / 147,086.68-220,586.04-53,570.56

Finding the Fourth Proportional to 147,086.68, 220,586.04 and 53,570.56

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Solution

The fourth proportional to 147,086.68, 220,586.04 and 53,570.56 is: 80,339.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,086.68 : 220,586.04 = 53,570.56 : x
  2. Step 2: Convert to fraction form
    147,086.68/220,586.04 = 53,570.56/x
  3. Step 3: Cross multiply
    147,086.68x = 220,586.04 × 53,570.56
  4. Step 4: Simplify right side
    147,086.68x = 11,816,917,690.98
  5. Step 5: Solve for x
    x = 11,816,917,690.98/147,086.68
  6. Step 6: Final answer
    x = 80,339.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.