Home / 131,929.20-197,893.80-53,002.80

Finding the Fourth Proportional to 131,929.20, 197,893.80 and 53,002.80

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Solution

The fourth proportional to 131,929.20, 197,893.80 and 53,002.80 is: 79,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,929.20 : 197,893.80 = 53,002.80 : x
  2. Step 2: Convert to fraction form
    131,929.20/197,893.80 = 53,002.80/x
  3. Step 3: Cross multiply
    131,929.20x = 197,893.80 × 53,002.80
  4. Step 4: Simplify right side
    131,929.20x = 10,488,925,502.64
  5. Step 5: Solve for x
    x = 10,488,925,502.64/131,929.20
  6. Step 6: Final answer
    x = 79,504.20

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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.