Home / 106,188.16-146,532.12-63,165.28

Finding the Fourth Proportional to 106,188.16, 146,532.12 and 63,165.28

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Solution

The fourth proportional to 106,188.16, 146,532.12 and 63,165.28 is: 87,163.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,188.16 : 146,532.12 = 63,165.28 : x
  2. Step 2: Convert to fraction form
    106,188.16/146,532.12 = 63,165.28/x
  3. Step 3: Cross multiply
    106,188.16x = 146,532.12 × 63,165.28
  4. Step 4: Simplify right side
    106,188.16x = 9,255,742,388.79
  5. Step 5: Solve for x
    x = 9,255,742,388.79/106,188.16
  6. Step 6: Final answer
    x = 87,163.60

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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.