Home / 106,130.28-146,466.78-63,098.28

Finding the Fourth Proportional to 106,130.28, 146,466.78 and 63,098.28

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Solution

The fourth proportional to 106,130.28, 146,466.78 and 63,098.28 is: 87,079.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,130.28 : 146,466.78 = 63,098.28 : x
  2. Step 2: Convert to fraction form
    106,130.28/146,466.78 = 63,098.28/x
  3. Step 3: Cross multiply
    106,130.28x = 146,466.78 × 63,098.28
  4. Step 4: Simplify right side
    106,130.28x = 9,241,801,895.14
  5. Step 5: Solve for x
    x = 9,241,801,895.14/106,130.28
  6. Step 6: Final answer
    x = 87,079.78

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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.