Home / 131,629.84-197,444.61-42,883.21

Finding the Fourth Proportional to 131,629.84, 197,444.61 and 42,883.21

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Solution

The fourth proportional to 131,629.84, 197,444.61 and 42,883.21 is: 64,324.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,629.84 : 197,444.61 = 42,883.21 : x
  2. Step 2: Convert to fraction form
    131,629.84/197,444.61 = 42,883.21/x
  3. Step 3: Cross multiply
    131,629.84x = 197,444.61 × 42,883.21
  4. Step 4: Simplify right side
    131,629.84x = 8,467,058,674.00
  5. Step 5: Solve for x
    x = 8,467,058,674.00/131,629.84
  6. Step 6: Final answer
    x = 64,324.77

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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.