Home / 131,028.36-196,588.62-57,146.76

Finding the Fourth Proportional to 131,028.36, 196,588.62 and 57,146.76

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Solution

The fourth proportional to 131,028.36, 196,588.62 and 57,146.76 is: 85,740.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,028.36 : 196,588.62 = 57,146.76 : x
  2. Step 2: Convert to fraction form
    131,028.36/196,588.62 = 57,146.76/x
  3. Step 3: Cross multiply
    131,028.36x = 196,588.62 × 57,146.76
  4. Step 4: Simplify right side
    131,028.36x = 11,234,402,685.87
  5. Step 5: Solve for x
    x = 11,234,402,685.87/131,028.36
  6. Step 6: Final answer
    x = 85,740.24

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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.