Home / 220,525.44-330,897.57-87,402.75

Finding the Fourth Proportional to 220,525.44, 330,897.57 and 87,402.75

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Solution

The fourth proportional to 220,525.44, 330,897.57 and 87,402.75 is: 131,147.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,525.44 : 330,897.57 = 87,402.75 : x
  2. Step 2: Convert to fraction form
    220,525.44/330,897.57 = 87,402.75/x
  3. Step 3: Cross multiply
    220,525.44x = 330,897.57 × 87,402.75
  4. Step 4: Simplify right side
    220,525.44x = 28,921,357,586.32
  5. Step 5: Solve for x
    x = 28,921,357,586.32/220,525.44
  6. Step 6: Final answer
    x = 131,147.49

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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.