Home / 106,541.16-146,943.72-68,304.36

Finding the Fourth Proportional to 106,541.16, 146,943.72 and 68,304.36

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Solution

The fourth proportional to 106,541.16, 146,943.72 and 68,304.36 is: 94,206.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,541.16 : 146,943.72 = 68,304.36 : x
  2. Step 2: Convert to fraction form
    106,541.16/146,943.72 = 68,304.36/x
  3. Step 3: Cross multiply
    106,541.16x = 146,943.72 × 68,304.36
  4. Step 4: Simplify right side
    106,541.16x = 10,036,896,750.62
  5. Step 5: Solve for x
    x = 10,036,896,750.62/106,541.16
  6. Step 6: Final answer
    x = 94,206.75

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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.