Home / 106,135.03-146,466.32-63,693.60

Finding the Fourth Proportional to 106,135.03, 146,466.32 and 63,693.60

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Solution

The fourth proportional to 106,135.03, 146,466.32 and 63,693.60 is: 87,897.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,135.03 : 146,466.32 = 63,693.60 : x
  2. Step 2: Convert to fraction form
    106,135.03/146,466.32 = 63,693.60/x
  3. Step 3: Cross multiply
    106,135.03x = 146,466.32 × 63,693.60
  4. Step 4: Simplify right side
    106,135.03x = 9,328,966,467.22
  5. Step 5: Solve for x
    x = 9,328,966,467.22/106,135.03
  6. Step 6: Final answer
    x = 87,897.15

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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.