Home / 369,226.83-553,933.77-102,987.30

Finding the Fourth Proportional to 369,226.83, 553,933.77 and 102,987.30

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Solution

The fourth proportional to 369,226.83, 553,933.77 and 102,987.30 is: 154,507.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,226.83 : 553,933.77 = 102,987.30 : x
  2. Step 2: Convert to fraction form
    369,226.83/553,933.77 = 102,987.30/x
  3. Step 3: Cross multiply
    369,226.83x = 553,933.77 × 102,987.30
  4. Step 4: Simplify right side
    369,226.83x = 57,048,143,351.12
  5. Step 5: Solve for x
    x = 57,048,143,351.12/369,226.83
  6. Step 6: Final answer
    x = 154,507.04

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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.