Home / 147,812.19-221,710.09-131,360.48

Finding the Fourth Proportional to 147,812.19, 221,710.09 and 131,360.48

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Solution

The fourth proportional to 147,812.19, 221,710.09 and 131,360.48 is: 197,033.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,812.19 : 221,710.09 = 131,360.48 : x
  2. Step 2: Convert to fraction form
    147,812.19/221,710.09 = 131,360.48/x
  3. Step 3: Cross multiply
    147,812.19x = 221,710.09 × 131,360.48
  4. Step 4: Simplify right side
    147,812.19x = 29,123,944,361.67
  5. Step 5: Solve for x
    x = 29,123,944,361.67/147,812.19
  6. Step 6: Final answer
    x = 197,033.44

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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.