Home / 108,854.19-163,291.62-42,299.46

Finding the Fourth Proportional to 108,854.19, 163,291.62 and 42,299.46

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Solution

The fourth proportional to 108,854.19, 163,291.62 and 42,299.46 is: 63,453.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,854.19 : 163,291.62 = 42,299.46 : x
  2. Step 2: Convert to fraction form
    108,854.19/163,291.62 = 42,299.46/x
  3. Step 3: Cross multiply
    108,854.19x = 163,291.62 × 42,299.46
  4. Step 4: Simplify right side
    108,854.19x = 6,907,147,348.53
  5. Step 5: Solve for x
    x = 6,907,147,348.53/108,854.19
  6. Step 6: Final answer
    x = 63,453.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.