Home / 106,206.81-146,579.40-63,768.08

Finding the Fourth Proportional to 106,206.81, 146,579.40 and 63,768.08

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Solution

The fourth proportional to 106,206.81, 146,579.40 and 63,768.08 is: 88,008.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,206.81 : 146,579.40 = 63,768.08 : x
  2. Step 2: Convert to fraction form
    106,206.81/146,579.40 = 63,768.08/x
  3. Step 3: Cross multiply
    106,206.81x = 146,579.40 × 63,768.08
  4. Step 4: Simplify right side
    106,206.81x = 9,347,086,268.14
  5. Step 5: Solve for x
    x = 9,347,086,268.14/106,206.81
  6. Step 6: Final answer
    x = 88,008.35

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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.