Home / 220,350.74-303,980.31-159,788.54

Finding the Fourth Proportional to 220,350.74, 303,980.31 and 159,788.54

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Solution

The fourth proportional to 220,350.74, 303,980.31 and 159,788.54 is: 220,432.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,350.74 : 303,980.31 = 159,788.54 : x
  2. Step 2: Convert to fraction form
    220,350.74/303,980.31 = 159,788.54/x
  3. Step 3: Cross multiply
    220,350.74x = 303,980.31 × 159,788.54
  4. Step 4: Simplify right side
    220,350.74x = 48,572,569,923.65
  5. Step 5: Solve for x
    x = 48,572,569,923.65/220,350.74
  6. Step 6: Final answer
    x = 220,432.98

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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.