Home / 131,025.84-196,571.88-56,108.40

Finding the Fourth Proportional to 131,025.84, 196,571.88 and 56,108.40

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Solution

The fourth proportional to 131,025.84, 196,571.88 and 56,108.40 is: 84,176.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,025.84 : 196,571.88 = 56,108.40 : x
  2. Step 2: Convert to fraction form
    131,025.84/196,571.88 = 56,108.40/x
  3. Step 3: Cross multiply
    131,025.84x = 196,571.88 × 56,108.40
  4. Step 4: Simplify right side
    131,025.84x = 11,029,333,671.79
  5. Step 5: Solve for x
    x = 11,029,333,671.79/131,025.84
  6. Step 6: Final answer
    x = 84,176.78

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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.