Home / 131,934.70-197,902.05-53,008.30

Finding the Fourth Proportional to 131,934.70, 197,902.05 and 53,008.30

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Solution

The fourth proportional to 131,934.70, 197,902.05 and 53,008.30 is: 79,512.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,934.70 : 197,902.05 = 53,008.30 : x
  2. Step 2: Convert to fraction form
    131,934.70/197,902.05 = 53,008.30/x
  3. Step 3: Cross multiply
    131,934.70x = 197,902.05 × 53,008.30
  4. Step 4: Simplify right side
    131,934.70x = 10,490,451,237.02
  5. Step 5: Solve for x
    x = 10,490,451,237.02/131,934.70
  6. Step 6: Final answer
    x = 79,512.45

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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.