Home / 106,330.05-146,740.46-63,299.81

Finding the Fourth Proportional to 106,330.05, 146,740.46 and 63,299.81

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Solution

The fourth proportional to 106,330.05, 146,740.46 and 63,299.81 is: 87,356.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,330.05 : 146,740.46 = 63,299.81 : x
  2. Step 2: Convert to fraction form
    106,330.05/146,740.46 = 63,299.81/x
  3. Step 3: Cross multiply
    106,330.05x = 146,740.46 × 63,299.81
  4. Step 4: Simplify right side
    106,330.05x = 9,288,643,287.66
  5. Step 5: Solve for x
    x = 9,288,643,287.66/106,330.05
  6. Step 6: Final answer
    x = 87,356.71

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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.