Home / 152,197.20-210,043.26-87,676.92

Finding the Fourth Proportional to 152,197.20, 210,043.26 and 87,676.92

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Solution

The fourth proportional to 152,197.20, 210,043.26 and 87,676.92 is: 121,000.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,197.20 : 210,043.26 = 87,676.92 : x
  2. Step 2: Convert to fraction form
    152,197.20/210,043.26 = 87,676.92/x
  3. Step 3: Cross multiply
    152,197.20x = 210,043.26 × 87,676.92
  4. Step 4: Simplify right side
    152,197.20x = 18,415,946,103.56
  5. Step 5: Solve for x
    x = 18,415,946,103.56/152,197.20
  6. Step 6: Final answer
    x = 121,000.56

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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.