Home / 369,156.20-553,765.57-102,916.97

Finding the Fourth Proportional to 369,156.20, 553,765.57 and 102,916.97

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Solution

The fourth proportional to 369,156.20, 553,765.57 and 102,916.97 is: 154,384.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,156.20 : 553,765.57 = 102,916.97 : x
  2. Step 2: Convert to fraction form
    369,156.20/553,765.57 = 102,916.97/x
  3. Step 3: Cross multiply
    369,156.20x = 553,765.57 × 102,916.97
  4. Step 4: Simplify right side
    369,156.20x = 56,991,874,040.14
  5. Step 5: Solve for x
    x = 56,991,874,040.14/369,156.20
  6. Step 6: Final answer
    x = 154,384.17

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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.