Home / 131,933.70-197,900.55-53,007.30

Finding the Fourth Proportional to 131,933.70, 197,900.55 and 53,007.30

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Solution

The fourth proportional to 131,933.70, 197,900.55 and 53,007.30 is: 79,510.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,933.70 : 197,900.55 = 53,007.30 : x
  2. Step 2: Convert to fraction form
    131,933.70/197,900.55 = 53,007.30/x
  3. Step 3: Cross multiply
    131,933.70x = 197,900.55 × 53,007.30
  4. Step 4: Simplify right side
    131,933.70x = 10,490,173,824.02
  5. Step 5: Solve for x
    x = 10,490,173,824.02/131,933.70
  6. Step 6: Final answer
    x = 79,510.95

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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.