Home / 369,228.83-553,936.77-102,989.30

Finding the Fourth Proportional to 369,228.83, 553,936.77 and 102,989.30

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Solution

The fourth proportional to 369,228.83, 553,936.77 and 102,989.30 is: 154,510.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,228.83 : 553,936.77 = 102,989.30 : x
  2. Step 2: Convert to fraction form
    369,228.83/553,936.77 = 102,989.30/x
  3. Step 3: Cross multiply
    369,228.83x = 553,936.77 × 102,989.30
  4. Step 4: Simplify right side
    369,228.83x = 57,049,560,186.56
  5. Step 5: Solve for x
    x = 57,049,560,186.56/369,228.83
  6. Step 6: Final answer
    x = 154,510.04

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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.