Home / 106,251.30-146,776.05-100,652.58

Finding the Fourth Proportional to 106,251.30, 146,776.05 and 100,652.58

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Solution

The fourth proportional to 106,251.30, 146,776.05 and 100,652.58 is: 139,041.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,251.30 : 146,776.05 = 100,652.58 : x
  2. Step 2: Convert to fraction form
    106,251.30/146,776.05 = 100,652.58/x
  3. Step 3: Cross multiply
    106,251.30x = 146,776.05 × 100,652.58
  4. Step 4: Simplify right side
    106,251.30x = 14,773,388,114.71
  5. Step 5: Solve for x
    x = 14,773,388,114.71/106,251.30
  6. Step 6: Final answer
    x = 139,041.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.