Home / 159,968.20-220,754.27-87,370.74

Finding the Fourth Proportional to 159,968.20, 220,754.27 and 87,370.74

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Solution

The fourth proportional to 159,968.20, 220,754.27 and 87,370.74 is: 120,570.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,968.20 : 220,754.27 = 87,370.74 : x
  2. Step 2: Convert to fraction form
    159,968.20/220,754.27 = 87,370.74/x
  3. Step 3: Cross multiply
    159,968.20x = 220,754.27 × 87,370.74
  4. Step 4: Simplify right side
    159,968.20x = 19,287,463,928.06
  5. Step 5: Solve for x
    x = 19,287,463,928.06/159,968.20
  6. Step 6: Final answer
    x = 120,570.61

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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.