Home / 106,132.41-146,362.20-67,904.06

Finding the Fourth Proportional to 106,132.41, 146,362.20 and 67,904.06

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Solution

The fourth proportional to 106,132.41, 146,362.20 and 67,904.06 is: 93,643.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,132.41 : 146,362.20 = 67,904.06 : x
  2. Step 2: Convert to fraction form
    106,132.41/146,362.20 = 67,904.06/x
  3. Step 3: Cross multiply
    106,132.41x = 146,362.20 × 67,904.06
  4. Step 4: Simplify right side
    106,132.41x = 9,938,586,878.72
  5. Step 5: Solve for x
    x = 9,938,586,878.72/106,132.41
  6. Step 6: Final answer
    x = 93,643.28

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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.