Home / 106,938.11-147,568.88-63,918.60

Finding the Fourth Proportional to 106,938.11, 147,568.88 and 63,918.60

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Solution

The fourth proportional to 106,938.11, 147,568.88 and 63,918.60 is: 88,204.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,938.11 : 147,568.88 = 63,918.60 : x
  2. Step 2: Convert to fraction form
    106,938.11/147,568.88 = 63,918.60/x
  3. Step 3: Cross multiply
    106,938.11x = 147,568.88 × 63,918.60
  4. Step 4: Simplify right side
    106,938.11x = 9,432,395,893.58
  5. Step 5: Solve for x
    x = 9,432,395,893.58/106,938.11
  6. Step 6: Final answer
    x = 88,204.26

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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.