Home / 369,239.12-553,863.12-102,983.42

Finding the Fourth Proportional to 369,239.12, 553,863.12 and 102,983.42

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Solution

The fourth proportional to 369,239.12, 553,863.12 and 102,983.42 is: 154,476.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,239.12 : 553,863.12 = 102,983.42 : x
  2. Step 2: Convert to fraction form
    369,239.12/553,863.12 = 102,983.42/x
  3. Step 3: Cross multiply
    369,239.12x = 553,863.12 × 102,983.42
  4. Step 4: Simplify right side
    369,239.12x = 57,038,718,309.47
  5. Step 5: Solve for x
    x = 57,038,718,309.47/369,239.12
  6. Step 6: Final answer
    x = 154,476.37

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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.