Home / 195,395.15-293,083.79-81,495.92

Finding the Fourth Proportional to 195,395.15, 293,083.79 and 81,495.92

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Solution

The fourth proportional to 195,395.15, 293,083.79 and 81,495.92 is: 122,240.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,395.15 : 293,083.79 = 81,495.92 : x
  2. Step 2: Convert to fraction form
    195,395.15/293,083.79 = 81,495.92/x
  3. Step 3: Cross multiply
    195,395.15x = 293,083.79 × 81,495.92
  4. Step 4: Simplify right side
    195,395.15x = 23,885,133,428.37
  5. Step 5: Solve for x
    x = 23,885,133,428.37/195,395.15
  6. Step 6: Final answer
    x = 122,240.15

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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.