Home / 369,002.28-553,518-102,786.08

Finding the Fourth Proportional to 369,002.28, 553,518 and 102,786.08

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Solution

The fourth proportional to 369,002.28, 553,518 and 102,786.08 is: 154,183.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,002.28 : 553,518 = 102,786.08 : x
  2. Step 2: Convert to fraction form
    369,002.28/553,518 = 102,786.08/x
  3. Step 3: Cross multiply
    369,002.28x = 553,518 × 102,786.08
  4. Step 4: Simplify right side
    369,002.28x = 56,893,945,429.44
  5. Step 5: Solve for x
    x = 56,893,945,429.44/369,002.28
  6. Step 6: Final answer
    x = 154,183.18

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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.