Home / 131,585.04-197,390.10-36,815.28

Finding the Fourth Proportional to 131,585.04, 197,390.10 and 36,815.28

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Solution

The fourth proportional to 131,585.04, 197,390.10 and 36,815.28 is: 55,226.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,585.04 : 197,390.10 = 36,815.28 : x
  2. Step 2: Convert to fraction form
    131,585.04/197,390.10 = 36,815.28/x
  3. Step 3: Cross multiply
    131,585.04x = 197,390.10 × 36,815.28
  4. Step 4: Simplify right side
    131,585.04x = 7,266,971,800.73
  5. Step 5: Solve for x
    x = 7,266,971,800.73/131,585.04
  6. Step 6: Final answer
    x = 55,226.43

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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.