Home / 103,197.05-154,809.92-36,621.35

Finding the Fourth Proportional to 103,197.05, 154,809.92 and 36,621.35

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Solution

The fourth proportional to 103,197.05, 154,809.92 and 36,621.35 is: 54,937.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,197.05 : 154,809.92 = 36,621.35 : x
  2. Step 2: Convert to fraction form
    103,197.05/154,809.92 = 36,621.35/x
  3. Step 3: Cross multiply
    103,197.05x = 154,809.92 × 36,621.35
  4. Step 4: Simplify right side
    103,197.05x = 5,669,347,306.64
  5. Step 5: Solve for x
    x = 5,669,347,306.64/103,197.05
  6. Step 6: Final answer
    x = 54,937.11

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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.